Home / 24,411.20-36,584.40-12,721.28

Finding the Fourth Proportional to 24,411.20, 36,584.40 and 12,721.28

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Solution

The fourth proportional to 24,411.20, 36,584.40 and 12,721.28 is: 19,065.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,411.20 : 36,584.40 = 12,721.28 : x
  2. Step 2: Convert to fraction form
    24,411.20/36,584.40 = 12,721.28/x
  3. Step 3: Cross multiply
    24,411.20x = 36,584.40 × 12,721.28
  4. Step 4: Simplify right side
    24,411.20x = 465,400,396.03
  5. Step 5: Solve for x
    x = 465,400,396.03/24,411.20
  6. Step 6: Final answer
    x = 19,065.04

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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.