Home / 14,781.27-22,172.10-4,920.59

Finding the Fourth Proportional to 14,781.27, 22,172.10 and 4,920.59

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Solution

The fourth proportional to 14,781.27, 22,172.10 and 4,920.59 is: 7,380.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,781.27 : 22,172.10 = 4,920.59 : x
  2. Step 2: Convert to fraction form
    14,781.27/22,172.10 = 4,920.59/x
  3. Step 3: Cross multiply
    14,781.27x = 22,172.10 × 4,920.59
  4. Step 4: Simplify right side
    14,781.27x = 109,099,702.68
  5. Step 5: Solve for x
    x = 109,099,702.68/14,781.27
  6. Step 6: Final answer
    x = 7,380.94

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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.