Home / 17,542.25-26,317.47-11,998.20

Finding the Fourth Proportional to 17,542.25, 26,317.47 and 11,998.20

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Solution

The fourth proportional to 17,542.25, 26,317.47 and 11,998.20 is: 18,000.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,542.25 : 26,317.47 = 11,998.20 : x
  2. Step 2: Convert to fraction form
    17,542.25/26,317.47 = 11,998.20/x
  3. Step 3: Cross multiply
    17,542.25x = 26,317.47 × 11,998.20
  4. Step 4: Simplify right side
    17,542.25x = 315,762,313.55
  5. Step 5: Solve for x
    x = 315,762,313.55/17,542.25
  6. Step 6: Final answer
    x = 18,000.11

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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.