Home / 14,885.20-22,327.80-14,229.10

Finding the Fourth Proportional to 14,885.20, 22,327.80 and 14,229.10

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Solution

The fourth proportional to 14,885.20, 22,327.80 and 14,229.10 is: 21,343.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,885.20 : 22,327.80 = 14,229.10 : x
  2. Step 2: Convert to fraction form
    14,885.20/22,327.80 = 14,229.10/x
  3. Step 3: Cross multiply
    14,885.20x = 22,327.80 × 14,229.10
  4. Step 4: Simplify right side
    14,885.20x = 317,704,498.98
  5. Step 5: Solve for x
    x = 317,704,498.98/14,885.20
  6. Step 6: Final answer
    x = 21,343.65

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Double scale
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Similar ratio
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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.