Home / 14,743.77-22,115.25-6,423.78

Finding the Fourth Proportional to 14,743.77, 22,115.25 and 6,423.78

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Solution

The fourth proportional to 14,743.77, 22,115.25 and 6,423.78 is: 9,635.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.77 : 22,115.25 = 6,423.78 : x
  2. Step 2: Convert to fraction form
    14,743.77/22,115.25 = 6,423.78/x
  3. Step 3: Cross multiply
    14,743.77x = 22,115.25 × 6,423.78
  4. Step 4: Simplify right side
    14,743.77x = 142,063,500.65
  5. Step 5: Solve for x
    x = 142,063,500.65/14,743.77
  6. Step 6: Final answer
    x = 9,635.49

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Half scale
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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.