Home / 19,757.66-29,641.16-5,718.02

Finding the Fourth Proportional to 19,757.66, 29,641.16 and 5,718.02

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Solution

The fourth proportional to 19,757.66, 29,641.16 and 5,718.02 is: 8,578.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,757.66 : 29,641.16 = 5,718.02 : x
  2. Step 2: Convert to fraction form
    19,757.66/29,641.16 = 5,718.02/x
  3. Step 3: Cross multiply
    19,757.66x = 29,641.16 × 5,718.02
  4. Step 4: Simplify right side
    19,757.66x = 169,488,611.79
  5. Step 5: Solve for x
    x = 169,488,611.79/19,757.66
  6. Step 6: Final answer
    x = 8,578.38

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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.