Home / 18,331.08-25,296.99-9,947.58

Finding the Fourth Proportional to 18,331.08, 25,296.99 and 9,947.58

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Solution

The fourth proportional to 18,331.08, 25,296.99 and 9,947.58 is: 13,727.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.08 : 25,296.99 = 9,947.58 : x
  2. Step 2: Convert to fraction form
    18,331.08/25,296.99 = 9,947.58/x
  3. Step 3: Cross multiply
    18,331.08x = 25,296.99 × 9,947.58
  4. Step 4: Simplify right side
    18,331.08x = 251,643,831.78
  5. Step 5: Solve for x
    x = 251,643,831.78/18,331.08
  6. Step 6: Final answer
    x = 13,727.71

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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.