Home / 19,132.76-28,712.20-6,652.66

Finding the Fourth Proportional to 19,132.76, 28,712.20 and 6,652.66

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Solution

The fourth proportional to 19,132.76, 28,712.20 and 6,652.66 is: 9,983.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132.76 : 28,712.20 = 6,652.66 : x
  2. Step 2: Convert to fraction form
    19,132.76/28,712.20 = 6,652.66/x
  3. Step 3: Cross multiply
    19,132.76x = 28,712.20 × 6,652.66
  4. Step 4: Simplify right side
    19,132.76x = 191,012,382.89
  5. Step 5: Solve for x
    x = 191,012,382.89/19,132.76
  6. Step 6: Final answer
    x = 9,983.53

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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.