Home / 13,132.48-18,115.80-8,877.95

Finding the Fourth Proportional to 13,132.48, 18,115.80 and 8,877.95

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Solution

The fourth proportional to 13,132.48, 18,115.80 and 8,877.95 is: 12,246.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.48 : 18,115.80 = 8,877.95 : x
  2. Step 2: Convert to fraction form
    13,132.48/18,115.80 = 8,877.95/x
  3. Step 3: Cross multiply
    13,132.48x = 18,115.80 × 8,877.95
  4. Step 4: Simplify right side
    13,132.48x = 160,831,166.61
  5. Step 5: Solve for x
    x = 160,831,166.61/13,132.48
  6. Step 6: Final answer
    x = 12,246.82

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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.