Home / 19,867.68-29,809.22-8,766.53

Finding the Fourth Proportional to 19,867.68, 29,809.22 and 8,766.53

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Solution

The fourth proportional to 19,867.68, 29,809.22 and 8,766.53 is: 13,153.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,867.68 : 29,809.22 = 8,766.53 : x
  2. Step 2: Convert to fraction form
    19,867.68/29,809.22 = 8,766.53/x
  3. Step 3: Cross multiply
    19,867.68x = 29,809.22 × 8,766.53
  4. Step 4: Simplify right side
    19,867.68x = 261,323,340.31
  5. Step 5: Solve for x
    x = 261,323,340.31/19,867.68
  6. Step 6: Final answer
    x = 13,153.19

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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.