Home / 15,081.06-22,621.78-5,718.56

Finding the Fourth Proportional to 15,081.06, 22,621.78 and 5,718.56

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Solution

The fourth proportional to 15,081.06, 22,621.78 and 5,718.56 is: 8,577.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,081.06 : 22,621.78 = 5,718.56 : x
  2. Step 2: Convert to fraction form
    15,081.06/22,621.78 = 5,718.56/x
  3. Step 3: Cross multiply
    15,081.06x = 22,621.78 × 5,718.56
  4. Step 4: Simplify right side
    15,081.06x = 129,364,006.24
  5. Step 5: Solve for x
    x = 129,364,006.24/15,081.06
  6. Step 6: Final answer
    x = 8,577.91

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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.