Home / 15,581.76-23,363.70-5,724.12

Finding the Fourth Proportional to 15,581.76, 23,363.70 and 5,724.12

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Solution

The fourth proportional to 15,581.76, 23,363.70 and 5,724.12 is: 8,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.76 : 23,363.70 = 5,724.12 : x
  2. Step 2: Convert to fraction form
    15,581.76/23,363.70 = 5,724.12/x
  3. Step 3: Cross multiply
    15,581.76x = 23,363.70 × 5,724.12
  4. Step 4: Simplify right side
    15,581.76x = 133,736,622.44
  5. Step 5: Solve for x
    x = 133,736,622.44/15,581.76
  6. Step 6: Final answer
    x = 8,582.90

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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.