Home / 19,391.18-26,759.11-11,850.13

Finding the Fourth Proportional to 19,391.18, 26,759.11 and 11,850.13

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Solution

The fourth proportional to 19,391.18, 26,759.11 and 11,850.13 is: 16,352.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.18 : 26,759.11 = 11,850.13 : x
  2. Step 2: Convert to fraction form
    19,391.18/26,759.11 = 11,850.13/x
  3. Step 3: Cross multiply
    19,391.18x = 26,759.11 × 11,850.13
  4. Step 4: Simplify right side
    19,391.18x = 317,098,932.18
  5. Step 5: Solve for x
    x = 317,098,932.18/19,391.18
  6. Step 6: Final answer
    x = 16,352.74

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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.