Home / 14,691.92-22,021.46-6,378.90

Finding the Fourth Proportional to 14,691.92, 22,021.46 and 6,378.90

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Solution

The fourth proportional to 14,691.92, 22,021.46 and 6,378.90 is: 9,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,691.92 : 22,021.46 = 6,378.90 : x
  2. Step 2: Convert to fraction form
    14,691.92/22,021.46 = 6,378.90/x
  3. Step 3: Cross multiply
    14,691.92x = 22,021.46 × 6,378.90
  4. Step 4: Simplify right side
    14,691.92x = 140,472,691.19
  5. Step 5: Solve for x
    x = 140,472,691.19/14,691.92
  6. Step 6: Final answer
    x = 9,561.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.