Home / 25,020.28-34,527.27-13,689.53

Finding the Fourth Proportional to 25,020.28, 34,527.27 and 13,689.53

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Solution

The fourth proportional to 25,020.28, 34,527.27 and 13,689.53 is: 18,891.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,020.28 : 34,527.27 = 13,689.53 : x
  2. Step 2: Convert to fraction form
    25,020.28/34,527.27 = 13,689.53/x
  3. Step 3: Cross multiply
    25,020.28x = 34,527.27 × 13,689.53
  4. Step 4: Simplify right side
    25,020.28x = 472,661,925.85
  5. Step 5: Solve for x
    x = 472,661,925.85/25,020.28
  6. Step 6: Final answer
    x = 18,891.16

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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.