Home / 12,515.87-18,758.21-10,952.16

Finding the Fourth Proportional to 12,515.87, 18,758.21 and 10,952.16

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Solution

The fourth proportional to 12,515.87, 18,758.21 and 10,952.16 is: 16,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.87 : 18,758.21 = 10,952.16 : x
  2. Step 2: Convert to fraction form
    12,515.87/18,758.21 = 10,952.16/x
  3. Step 3: Cross multiply
    12,515.87x = 18,758.21 × 10,952.16
  4. Step 4: Simplify right side
    12,515.87x = 205,442,862.47
  5. Step 5: Solve for x
    x = 205,442,862.47/12,515.87
  6. Step 6: Final answer
    x = 16,414.60

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1.5x scale

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.