Home / 13,566.50-20,350.12-4,332.50

Finding the Fourth Proportional to 13,566.50, 20,350.12 and 4,332.50

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Solution

The fourth proportional to 13,566.50, 20,350.12 and 4,332.50 is: 6,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.50 : 20,350.12 = 4,332.50 : x
  2. Step 2: Convert to fraction form
    13,566.50/20,350.12 = 4,332.50/x
  3. Step 3: Cross multiply
    13,566.50x = 20,350.12 × 4,332.50
  4. Step 4: Simplify right side
    13,566.50x = 88,166,894.90
  5. Step 5: Solve for x
    x = 88,166,894.90/13,566.50
  6. Step 6: Final answer
    x = 6,498.87

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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.