Home / 22,836.28-31,515.66-12,766.68

Finding the Fourth Proportional to 22,836.28, 31,515.66 and 12,766.68

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Solution

The fourth proportional to 22,836.28, 31,515.66 and 12,766.68 is: 17,618.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,836.28 : 31,515.66 = 12,766.68 : x
  2. Step 2: Convert to fraction form
    22,836.28/31,515.66 = 12,766.68/x
  3. Step 3: Cross multiply
    22,836.28x = 31,515.66 × 12,766.68
  4. Step 4: Simplify right side
    22,836.28x = 402,350,346.21
  5. Step 5: Solve for x
    x = 402,350,346.21/22,836.28
  6. Step 6: Final answer
    x = 17,618.91

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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.