Home / 16,614.67-22,931.13-15,867.34

Finding the Fourth Proportional to 16,614.67, 22,931.13 and 15,867.34

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Solution

The fourth proportional to 16,614.67, 22,931.13 and 15,867.34 is: 21,899.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,614.67 : 22,931.13 = 15,867.34 : x
  2. Step 2: Convert to fraction form
    16,614.67/22,931.13 = 15,867.34/x
  3. Step 3: Cross multiply
    16,614.67x = 22,931.13 × 15,867.34
  4. Step 4: Simplify right side
    16,614.67x = 363,856,033.58
  5. Step 5: Solve for x
    x = 363,856,033.58/16,614.67
  6. Step 6: Final answer
    x = 21,899.69

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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.