Home / 16,862.89-25,293.43-5,176.11

Finding the Fourth Proportional to 16,862.89, 25,293.43 and 5,176.11

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Solution

The fourth proportional to 16,862.89, 25,293.43 and 5,176.11 is: 7,763.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,862.89 : 25,293.43 = 5,176.11 : x
  2. Step 2: Convert to fraction form
    16,862.89/25,293.43 = 5,176.11/x
  3. Step 3: Cross multiply
    16,862.89x = 25,293.43 × 5,176.11
  4. Step 4: Simplify right side
    16,862.89x = 130,921,575.96
  5. Step 5: Solve for x
    x = 130,921,575.96/16,862.89
  6. Step 6: Final answer
    x = 7,763.89

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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.