Home / 18,339.19-25,308.45-11,169.41

Finding the Fourth Proportional to 18,339.19, 25,308.45 and 11,169.41

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Solution

The fourth proportional to 18,339.19, 25,308.45 and 11,169.41 is: 15,414.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.19 : 25,308.45 = 11,169.41 : x
  2. Step 2: Convert to fraction form
    18,339.19/25,308.45 = 11,169.41/x
  3. Step 3: Cross multiply
    18,339.19x = 25,308.45 × 11,169.41
  4. Step 4: Simplify right side
    18,339.19x = 282,680,327.97
  5. Step 5: Solve for x
    x = 282,680,327.97/18,339.19
  6. Step 6: Final answer
    x = 15,414.01

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Half scale
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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.