Home / 22,609.26-31,202.38-12,538.67

Finding the Fourth Proportional to 22,609.26, 31,202.38 and 12,538.67

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Solution

The fourth proportional to 22,609.26, 31,202.38 and 12,538.67 is: 17,304.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,609.26 : 31,202.38 = 12,538.67 : x
  2. Step 2: Convert to fraction form
    22,609.26/31,202.38 = 12,538.67/x
  3. Step 3: Cross multiply
    22,609.26x = 31,202.38 × 12,538.67
  4. Step 4: Simplify right side
    22,609.26x = 391,236,127.33
  5. Step 5: Solve for x
    x = 391,236,127.33/22,609.26
  6. Step 6: Final answer
    x = 17,304.24

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.