Home / 18,198.12-25,158.48-18,032.07

Finding the Fourth Proportional to 18,198.12, 25,158.48 and 18,032.07

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Solution

The fourth proportional to 18,198.12, 25,158.48 and 18,032.07 is: 24,928.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.12 : 25,158.48 = 18,032.07 : x
  2. Step 2: Convert to fraction form
    18,198.12/25,158.48 = 18,032.07/x
  3. Step 3: Cross multiply
    18,198.12x = 25,158.48 × 18,032.07
  4. Step 4: Simplify right side
    18,198.12x = 453,659,472.45
  5. Step 5: Solve for x
    x = 453,659,472.45/18,198.12
  6. Step 6: Final answer
    x = 24,928.92

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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.