Home / 18,231.26-25,159.15-9,847.76

Finding the Fourth Proportional to 18,231.26, 25,159.15 and 9,847.76

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Solution

The fourth proportional to 18,231.26, 25,159.15 and 9,847.76 is: 13,589.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.26 : 25,159.15 = 9,847.76 : x
  2. Step 2: Convert to fraction form
    18,231.26/25,159.15 = 9,847.76/x
  3. Step 3: Cross multiply
    18,231.26x = 25,159.15 × 9,847.76
  4. Step 4: Simplify right side
    18,231.26x = 247,761,271.00
  5. Step 5: Solve for x
    x = 247,761,271.00/18,231.26
  6. Step 6: Final answer
    x = 13,589.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.