Home / 15,177.02-20,947.06-9,516.72

Finding the Fourth Proportional to 15,177.02, 20,947.06 and 9,516.72

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Solution

The fourth proportional to 15,177.02, 20,947.06 and 9,516.72 is: 13,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.02 : 20,947.06 = 9,516.72 : x
  2. Step 2: Convert to fraction form
    15,177.02/20,947.06 = 9,516.72/x
  3. Step 3: Cross multiply
    15,177.02x = 20,947.06 × 9,516.72
  4. Step 4: Simplify right side
    15,177.02x = 199,347,165.02
  5. Step 5: Solve for x
    x = 199,347,165.02/15,177.02
  6. Step 6: Final answer
    x = 13,134.80

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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.