Home / 13,320.46-19,965.14-10,022.96

Finding the Fourth Proportional to 13,320.46, 19,965.14 and 10,022.96

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Solution

The fourth proportional to 13,320.46, 19,965.14 and 10,022.96 is: 15,022.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320.46 : 19,965.14 = 10,022.96 : x
  2. Step 2: Convert to fraction form
    13,320.46/19,965.14 = 10,022.96/x
  3. Step 3: Cross multiply
    13,320.46x = 19,965.14 × 10,022.96
  4. Step 4: Simplify right side
    13,320.46x = 200,109,799.61
  5. Step 5: Solve for x
    x = 200,109,799.61/13,320.46
  6. Step 6: Final answer
    x = 15,022.74

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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.