Home / 18,700.52-28,052.34-5,373.56

Finding the Fourth Proportional to 18,700.52, 28,052.34 and 5,373.56

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Solution

The fourth proportional to 18,700.52, 28,052.34 and 5,373.56 is: 8,060.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700.52 : 28,052.34 = 5,373.56 : x
  2. Step 2: Convert to fraction form
    18,700.52/28,052.34 = 5,373.56/x
  3. Step 3: Cross multiply
    18,700.52x = 28,052.34 × 5,373.56
  4. Step 4: Simplify right side
    18,700.52x = 150,740,932.13
  5. Step 5: Solve for x
    x = 150,740,932.13/18,700.52
  6. Step 6: Final answer
    x = 8,060.79

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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.