Home / 37,147.28-55,720.96-13,149.44

Finding the Fourth Proportional to 37,147.28, 55,720.96 and 13,149.44

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Solution

The fourth proportional to 37,147.28, 55,720.96 and 13,149.44 is: 19,724.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,147.28 : 55,720.96 = 13,149.44 : x
  2. Step 2: Convert to fraction form
    37,147.28/55,720.96 = 13,149.44/x
  3. Step 3: Cross multiply
    37,147.28x = 55,720.96 × 13,149.44
  4. Step 4: Simplify right side
    37,147.28x = 732,699,141.66
  5. Step 5: Solve for x
    x = 732,699,141.66/37,147.28
  6. Step 6: Final answer
    x = 19,724.17

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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.