Home / 18,147.72-27,213.08-10,753.24

Finding the Fourth Proportional to 18,147.72, 27,213.08 and 10,753.24

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Solution

The fourth proportional to 18,147.72, 27,213.08 and 10,753.24 is: 16,124.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.72 : 27,213.08 = 10,753.24 : x
  2. Step 2: Convert to fraction form
    18,147.72/27,213.08 = 10,753.24/x
  3. Step 3: Cross multiply
    18,147.72x = 27,213.08 × 10,753.24
  4. Step 4: Simplify right side
    18,147.72x = 292,628,780.38
  5. Step 5: Solve for x
    x = 292,628,780.38/18,147.72
  6. Step 6: Final answer
    x = 16,124.82

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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.