Home / 20,117.10-30,175.12-9,594.55

Finding the Fourth Proportional to 20,117.10, 30,175.12 and 9,594.55

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Solution

The fourth proportional to 20,117.10, 30,175.12 and 9,594.55 is: 14,391.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117.10 : 30,175.12 = 9,594.55 : x
  2. Step 2: Convert to fraction form
    20,117.10/30,175.12 = 9,594.55/x
  3. Step 3: Cross multiply
    20,117.10x = 30,175.12 × 9,594.55
  4. Step 4: Simplify right side
    20,117.10x = 289,516,697.60
  5. Step 5: Solve for x
    x = 289,516,697.60/20,117.10
  6. Step 6: Final answer
    x = 14,391.57

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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.