Home / 21,518.01-32,272.14-8,186.25

Finding the Fourth Proportional to 21,518.01, 32,272.14 and 8,186.25

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Solution

The fourth proportional to 21,518.01, 32,272.14 and 8,186.25 is: 12,277.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,518.01 : 32,272.14 = 8,186.25 : x
  2. Step 2: Convert to fraction form
    21,518.01/32,272.14 = 8,186.25/x
  3. Step 3: Cross multiply
    21,518.01x = 32,272.14 × 8,186.25
  4. Step 4: Simplify right side
    21,518.01x = 264,187,806.08
  5. Step 5: Solve for x
    x = 264,187,806.08/21,518.01
  6. Step 6: Final answer
    x = 12,277.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.