Home / 19,332.27-29,130.12-15,899.20

Finding the Fourth Proportional to 19,332.27, 29,130.12 and 15,899.20

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Solution

The fourth proportional to 19,332.27, 29,130.12 and 15,899.20 is: 23,957.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.27 : 29,130.12 = 15,899.20 : x
  2. Step 2: Convert to fraction form
    19,332.27/29,130.12 = 15,899.20/x
  3. Step 3: Cross multiply
    19,332.27x = 29,130.12 × 15,899.20
  4. Step 4: Simplify right side
    19,332.27x = 463,145,531.08
  5. Step 5: Solve for x
    x = 463,145,531.08/19,332.27
  6. Step 6: Final answer
    x = 23,957.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.