Home / 15,081.49-22,622.64-5,719.76

Finding the Fourth Proportional to 15,081.49, 22,622.64 and 5,719.76

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Solution

The fourth proportional to 15,081.49, 22,622.64 and 5,719.76 is: 8,579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,081.49 : 22,622.64 = 5,719.76 : x
  2. Step 2: Convert to fraction form
    15,081.49/22,622.64 = 5,719.76/x
  3. Step 3: Cross multiply
    15,081.49x = 22,622.64 × 5,719.76
  4. Step 4: Simplify right side
    15,081.49x = 129,396,181.07
  5. Step 5: Solve for x
    x = 129,396,181.07/15,081.49
  6. Step 6: Final answer
    x = 8,579.80

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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.