Home / 22,527.97-31,088.11-12,456.84

Finding the Fourth Proportional to 22,527.97, 31,088.11 and 12,456.84

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Solution

The fourth proportional to 22,527.97, 31,088.11 and 12,456.84 is: 17,190.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,527.97 : 31,088.11 = 12,456.84 : x
  2. Step 2: Convert to fraction form
    22,527.97/31,088.11 = 12,456.84/x
  3. Step 3: Cross multiply
    22,527.97x = 31,088.11 × 12,456.84
  4. Step 4: Simplify right side
    22,527.97x = 387,259,612.17
  5. Step 5: Solve for x
    x = 387,259,612.17/22,527.97
  6. Step 6: Final answer
    x = 17,190.17

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1.5x scale

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.