Home / 24,138.81-33,312.96-13,531.86

Finding the Fourth Proportional to 24,138.81, 33,312.96 and 13,531.86

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Solution

The fourth proportional to 24,138.81, 33,312.96 and 13,531.86 is: 18,674.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,138.81 : 33,312.96 = 13,531.86 : x
  2. Step 2: Convert to fraction form
    24,138.81/33,312.96 = 13,531.86/x
  3. Step 3: Cross multiply
    24,138.81x = 33,312.96 × 13,531.86
  4. Step 4: Simplify right side
    24,138.81x = 450,786,310.91
  5. Step 5: Solve for x
    x = 450,786,310.91/24,138.81
  6. Step 6: Final answer
    x = 18,674.75

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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.