Home / 12,488.28-18,716.70-10,924.56

Finding the Fourth Proportional to 12,488.28, 18,716.70 and 10,924.56

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Solution

The fourth proportional to 12,488.28, 18,716.70 and 10,924.56 is: 16,373.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488.28 : 18,716.70 = 10,924.56 : x
  2. Step 2: Convert to fraction form
    12,488.28/18,716.70 = 10,924.56/x
  3. Step 3: Cross multiply
    12,488.28x = 18,716.70 × 10,924.56
  4. Step 4: Simplify right side
    12,488.28x = 204,471,712.15
  5. Step 5: Solve for x
    x = 204,471,712.15/12,488.28
  6. Step 6: Final answer
    x = 16,373.09

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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.