Home / 18,598.42-25,658.40-11,882.31

Finding the Fourth Proportional to 18,598.42, 25,658.40 and 11,882.31

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Solution

The fourth proportional to 18,598.42, 25,658.40 and 11,882.31 is: 16,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,598.42 : 25,658.40 = 11,882.31 : x
  2. Step 2: Convert to fraction form
    18,598.42/25,658.40 = 11,882.31/x
  3. Step 3: Cross multiply
    18,598.42x = 25,658.40 × 11,882.31
  4. Step 4: Simplify right side
    18,598.42x = 304,881,062.90
  5. Step 5: Solve for x
    x = 304,881,062.90/18,598.42
  6. Step 6: Final answer
    x = 16,392.85

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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.