Home / 14,765.20-22,149.60-5,403.76

Finding the Fourth Proportional to 14,765.20, 22,149.60 and 5,403.76

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Solution

The fourth proportional to 14,765.20, 22,149.60 and 5,403.76 is: 8,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,765.20 : 22,149.60 = 5,403.76 : x
  2. Step 2: Convert to fraction form
    14,765.20/22,149.60 = 5,403.76/x
  3. Step 3: Cross multiply
    14,765.20x = 22,149.60 × 5,403.76
  4. Step 4: Simplify right side
    14,765.20x = 119,691,122.50
  5. Step 5: Solve for x
    x = 119,691,122.50/14,765.20
  6. Step 6: Final answer
    x = 8,106.30

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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.