Home / 25,981.71-38,936.66-14,864.91

Finding the Fourth Proportional to 25,981.71, 38,936.66 and 14,864.91

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Solution

The fourth proportional to 25,981.71, 38,936.66 and 14,864.91 is: 22,276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,981.71 : 38,936.66 = 14,864.91 : x
  2. Step 2: Convert to fraction form
    25,981.71/38,936.66 = 14,864.91/x
  3. Step 3: Cross multiply
    25,981.71x = 38,936.66 × 14,864.91
  4. Step 4: Simplify right side
    25,981.71x = 578,789,872.28
  5. Step 5: Solve for x
    x = 578,789,872.28/25,981.71
  6. Step 6: Final answer
    x = 22,276.82

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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.