Home / 14,545.50-20,073.60-8,580.66

Finding the Fourth Proportional to 14,545.50, 20,073.60 and 8,580.66

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Solution

The fourth proportional to 14,545.50, 20,073.60 and 8,580.66 is: 11,841.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,545.50 : 20,073.60 = 8,580.66 : x
  2. Step 2: Convert to fraction form
    14,545.50/20,073.60 = 8,580.66/x
  3. Step 3: Cross multiply
    14,545.50x = 20,073.60 × 8,580.66
  4. Step 4: Simplify right side
    14,545.50x = 172,244,736.58
  5. Step 5: Solve for x
    x = 172,244,736.58/14,545.50
  6. Step 6: Final answer
    x = 11,841.79

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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.