Home / 22,729.12-34,108.35-9,581.56

Finding the Fourth Proportional to 22,729.12, 34,108.35 and 9,581.56

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Solution

The fourth proportional to 22,729.12, 34,108.35 and 9,581.56 is: 14,378.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,729.12 : 34,108.35 = 9,581.56 : x
  2. Step 2: Convert to fraction form
    22,729.12/34,108.35 = 9,581.56/x
  3. Step 3: Cross multiply
    22,729.12x = 34,108.35 × 9,581.56
  4. Step 4: Simplify right side
    22,729.12x = 326,811,202.03
  5. Step 5: Solve for x
    x = 326,811,202.03/22,729.12
  6. Step 6: Final answer
    x = 14,378.52

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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.