Home / 22,143.02-30,556.74-12,071.65

Finding the Fourth Proportional to 22,143.02, 30,556.74 and 12,071.65

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Solution

The fourth proportional to 22,143.02, 30,556.74 and 12,071.65 is: 16,658.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143.02 : 30,556.74 = 12,071.65 : x
  2. Step 2: Convert to fraction form
    22,143.02/30,556.74 = 12,071.65/x
  3. Step 3: Cross multiply
    22,143.02x = 30,556.74 × 12,071.65
  4. Step 4: Simplify right side
    22,143.02x = 368,870,194.03
  5. Step 5: Solve for x
    x = 368,870,194.03/22,143.02
  6. Step 6: Final answer
    x = 16,658.54

Related Problems

Find fourth proportional to 11,071.51, 15,278.37 and 6,035.82
Half scale
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Double scale
Find fourth proportional to 22,144.02, 30,558.12 and 12,072.65
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.