Home / 22,143.17-30,556.44-12,071.63

Finding the Fourth Proportional to 22,143.17, 30,556.44 and 12,071.63

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Solution

The fourth proportional to 22,143.17, 30,556.44 and 12,071.63 is: 16,658.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143.17 : 30,556.44 = 12,071.63 : x
  2. Step 2: Convert to fraction form
    22,143.17/30,556.44 = 12,071.63/x
  3. Step 3: Cross multiply
    22,143.17x = 30,556.44 × 12,071.63
  4. Step 4: Simplify right side
    22,143.17x = 368,866,114.19
  5. Step 5: Solve for x
    x = 368,866,114.19/22,143.17
  6. Step 6: Final answer
    x = 16,658.23

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Half scale
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Double scale
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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.