Home / 22,061.28-30,444.54-12,125.28

Finding the Fourth Proportional to 22,061.28, 30,444.54 and 12,125.28

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Solution

The fourth proportional to 22,061.28, 30,444.54 and 12,125.28 is: 16,732.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,061.28 : 30,444.54 = 12,125.28 : x
  2. Step 2: Convert to fraction form
    22,061.28/30,444.54 = 12,125.28/x
  3. Step 3: Cross multiply
    22,061.28x = 30,444.54 × 12,125.28
  4. Step 4: Simplify right side
    22,061.28x = 369,148,571.97
  5. Step 5: Solve for x
    x = 369,148,571.97/22,061.28
  6. Step 6: Final answer
    x = 16,732.87

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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.