Home / 18,151.32-25,016.94-17,645.88

Finding the Fourth Proportional to 18,151.32, 25,016.94 and 17,645.88

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Solution

The fourth proportional to 18,151.32, 25,016.94 and 17,645.88 is: 24,320.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.32 : 25,016.94 = 17,645.88 : x
  2. Step 2: Convert to fraction form
    18,151.32/25,016.94 = 17,645.88/x
  3. Step 3: Cross multiply
    18,151.32x = 25,016.94 × 17,645.88
  4. Step 4: Simplify right side
    18,151.32x = 441,445,921.21
  5. Step 5: Solve for x
    x = 441,445,921.21/18,151.32
  6. Step 6: Final answer
    x = 24,320.32

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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.