Home / 18,331.26-25,297.16-9,947.76

Finding the Fourth Proportional to 18,331.26, 25,297.16 and 9,947.76

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Solution

The fourth proportional to 18,331.26, 25,297.16 and 9,947.76 is: 13,727.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.26 : 25,297.16 = 9,947.76 : x
  2. Step 2: Convert to fraction form
    18,331.26/25,297.16 = 9,947.76/x
  3. Step 3: Cross multiply
    18,331.26x = 25,297.16 × 9,947.76
  4. Step 4: Simplify right side
    18,331.26x = 251,650,026.62
  5. Step 5: Solve for x
    x = 251,650,026.62/18,331.26
  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.