Home / 18,331.24-25,297.14-9,947.76

Finding the Fourth Proportional to 18,331.24, 25,297.14 and 9,947.76

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Solution

The fourth proportional to 18,331.24, 25,297.14 and 9,947.76 is: 13,727.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.24 : 25,297.14 = 9,947.76 : x
  2. Step 2: Convert to fraction form
    18,331.24/25,297.14 = 9,947.76/x
  3. Step 3: Cross multiply
    18,331.24x = 25,297.14 × 9,947.76
  4. Step 4: Simplify right side
    18,331.24x = 251,649,877.41
  5. Step 5: Solve for x
    x = 251,649,877.41/18,331.24
  6. Step 6: Final answer
    x = 13,727.92

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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.