Home / 15,507.18-23,257.20-7,179.12

Finding the Fourth Proportional to 15,507.18, 23,257.20 and 7,179.12

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Solution

The fourth proportional to 15,507.18, 23,257.20 and 7,179.12 is: 10,767.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,507.18 : 23,257.20 = 7,179.12 : x
  2. Step 2: Convert to fraction form
    15,507.18/23,257.20 = 7,179.12/x
  3. Step 3: Cross multiply
    15,507.18x = 23,257.20 × 7,179.12
  4. Step 4: Simplify right side
    15,507.18x = 166,966,229.66
  5. Step 5: Solve for x
    x = 166,966,229.66/15,507.18
  6. Step 6: Final answer
    x = 10,767.03

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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.