Home / 22,575.71-31,154.13-12,366.66

Finding the Fourth Proportional to 22,575.71, 31,154.13 and 12,366.66

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Solution

The fourth proportional to 22,575.71, 31,154.13 and 12,366.66 is: 17,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,575.71 : 31,154.13 = 12,366.66 : x
  2. Step 2: Convert to fraction form
    22,575.71/31,154.13 = 12,366.66/x
  3. Step 3: Cross multiply
    22,575.71x = 31,154.13 × 12,366.66
  4. Step 4: Simplify right side
    22,575.71x = 385,272,426.57
  5. Step 5: Solve for x
    x = 385,272,426.57/22,575.71
  6. Step 6: Final answer
    x = 17,065.80

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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.