Home / 24,409.20-36,581.40-12,719.28

Finding the Fourth Proportional to 24,409.20, 36,581.40 and 12,719.28

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Solution

The fourth proportional to 24,409.20, 36,581.40 and 12,719.28 is: 19,062.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,409.20 : 36,581.40 = 12,719.28 : x
  2. Step 2: Convert to fraction form
    24,409.20/36,581.40 = 12,719.28/x
  3. Step 3: Cross multiply
    24,409.20x = 36,581.40 × 12,719.28
  4. Step 4: Simplify right side
    24,409.20x = 465,289,069.39
  5. Step 5: Solve for x
    x = 465,289,069.39/24,409.20
  6. Step 6: Final answer
    x = 19,062.04

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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.