Home / 11,932.27-17,870.70-11,517.09

Finding the Fourth Proportional to 11,932.27, 17,870.70 and 11,517.09

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Solution

The fourth proportional to 11,932.27, 17,870.70 and 11,517.09 is: 17,248.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.27 : 17,870.70 = 11,517.09 : x
  2. Step 2: Convert to fraction form
    11,932.27/17,870.70 = 11,517.09/x
  3. Step 3: Cross multiply
    11,932.27x = 17,870.70 × 11,517.09
  4. Step 4: Simplify right side
    11,932.27x = 205,818,460.26
  5. Step 5: Solve for x
    x = 205,818,460.26/11,932.27
  6. Step 6: Final answer
    x = 17,248.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.