Home / 15,177.07-20,947.72-9,862.66

Finding the Fourth Proportional to 15,177.07, 20,947.72 and 9,862.66

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Solution

The fourth proportional to 15,177.07, 20,947.72 and 9,862.66 is: 13,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.07 : 20,947.72 = 9,862.66 : x
  2. Step 2: Convert to fraction form
    15,177.07/20,947.72 = 9,862.66/x
  3. Step 3: Cross multiply
    15,177.07x = 20,947.72 × 9,862.66
  4. Step 4: Simplify right side
    15,177.07x = 206,600,240.14
  5. Step 5: Solve for x
    x = 206,600,240.14/15,177.07
  6. Step 6: Final answer
    x = 13,612.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.