Home / 25,387.29-38,102.81-14,304.87

Finding the Fourth Proportional to 25,387.29, 38,102.81 and 14,304.87

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Solution

The fourth proportional to 25,387.29, 38,102.81 and 14,304.87 is: 21,469.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,387.29 : 38,102.81 = 14,304.87 : x
  2. Step 2: Convert to fraction form
    25,387.29/38,102.81 = 14,304.87/x
  3. Step 3: Cross multiply
    25,387.29x = 38,102.81 × 14,304.87
  4. Step 4: Simplify right side
    25,387.29x = 545,055,672.16
  5. Step 5: Solve for x
    x = 545,055,672.16/25,387.29
  6. Step 6: Final answer
    x = 21,469.63

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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.