Home / 24,145.19-33,318.68-13,390.61

Finding the Fourth Proportional to 24,145.19, 33,318.68 and 13,390.61

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Solution

The fourth proportional to 24,145.19, 33,318.68 and 13,390.61 is: 18,478.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,145.19 : 33,318.68 = 13,390.61 : x
  2. Step 2: Convert to fraction form
    24,145.19/33,318.68 = 13,390.61/x
  3. Step 3: Cross multiply
    24,145.19x = 33,318.68 × 13,390.61
  4. Step 4: Simplify right side
    24,145.19x = 446,157,449.59
  5. Step 5: Solve for x
    x = 446,157,449.59/24,145.19
  6. Step 6: Final answer
    x = 18,478.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.