Home / 22,147.40-30,563.52-13,193.12

Finding the Fourth Proportional to 22,147.40, 30,563.52 and 13,193.12

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Solution

The fourth proportional to 22,147.40, 30,563.52 and 13,193.12 is: 18,206.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147.40 : 30,563.52 = 13,193.12 : x
  2. Step 2: Convert to fraction form
    22,147.40/30,563.52 = 13,193.12/x
  3. Step 3: Cross multiply
    22,147.40x = 30,563.52 × 13,193.12
  4. Step 4: Simplify right side
    22,147.40x = 403,228,186.98
  5. Step 5: Solve for x
    x = 403,228,186.98/22,147.40
  6. Step 6: Final answer
    x = 18,206.57

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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.