Home / 15,452.12-23,180.64-5,590.40

Finding the Fourth Proportional to 15,452.12, 23,180.64 and 5,590.40

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Solution

The fourth proportional to 15,452.12, 23,180.64 and 5,590.40 is: 8,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452.12 : 23,180.64 = 5,590.40 : x
  2. Step 2: Convert to fraction form
    15,452.12/23,180.64 = 5,590.40/x
  3. Step 3: Cross multiply
    15,452.12x = 23,180.64 × 5,590.40
  4. Step 4: Simplify right side
    15,452.12x = 129,589,049.86
  5. Step 5: Solve for x
    x = 129,589,049.86/15,452.12
  6. Step 6: Final answer
    x = 8,386.49

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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.