Home / 22,785.92-31,459.18-14,299.70

Finding the Fourth Proportional to 22,785.92, 31,459.18 and 14,299.70

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Solution

The fourth proportional to 22,785.92, 31,459.18 and 14,299.70 is: 19,742.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,785.92 : 31,459.18 = 14,299.70 : x
  2. Step 2: Convert to fraction form
    22,785.92/31,459.18 = 14,299.70/x
  3. Step 3: Cross multiply
    22,785.92x = 31,459.18 × 14,299.70
  4. Step 4: Simplify right side
    22,785.92x = 449,856,836.25
  5. Step 5: Solve for x
    x = 449,856,836.25/22,785.92
  6. Step 6: Final answer
    x = 19,742.76

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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.