Home / 16,868.87-25,294.66-9,862.57

Finding the Fourth Proportional to 16,868.87, 25,294.66 and 9,862.57

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Solution

The fourth proportional to 16,868.87, 25,294.66 and 9,862.57 is: 14,788.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.87 : 25,294.66 = 9,862.57 : x
  2. Step 2: Convert to fraction form
    16,868.87/25,294.66 = 9,862.57/x
  3. Step 3: Cross multiply
    16,868.87x = 25,294.66 × 9,862.57
  4. Step 4: Simplify right side
    16,868.87x = 249,470,179.09
  5. Step 5: Solve for x
    x = 249,470,179.09/16,868.87
  6. Step 6: Final answer
    x = 14,788.79

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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.