Home / 25,007.20-34,513.20-14,397.28

Finding the Fourth Proportional to 25,007.20, 34,513.20 and 14,397.28

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Solution

The fourth proportional to 25,007.20, 34,513.20 and 14,397.28 is: 19,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,007.20 : 34,513.20 = 14,397.28 : x
  2. Step 2: Convert to fraction form
    25,007.20/34,513.20 = 14,397.28/x
  3. Step 3: Cross multiply
    25,007.20x = 34,513.20 × 14,397.28
  4. Step 4: Simplify right side
    25,007.20x = 496,896,204.10
  5. Step 5: Solve for x
    x = 496,896,204.10/25,007.20
  6. Step 6: Final answer
    x = 19,870.13

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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.