Home / 15,121.68-22,685.52-4,734.24

Finding the Fourth Proportional to 15,121.68, 22,685.52 and 4,734.24

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Solution

The fourth proportional to 15,121.68, 22,685.52 and 4,734.24 is: 7,102.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,121.68 : 22,685.52 = 4,734.24 : x
  2. Step 2: Convert to fraction form
    15,121.68/22,685.52 = 4,734.24/x
  3. Step 3: Cross multiply
    15,121.68x = 22,685.52 × 4,734.24
  4. Step 4: Simplify right side
    15,121.68x = 107,398,696.20
  5. Step 5: Solve for x
    x = 107,398,696.20/15,121.68
  6. Step 6: Final answer
    x = 7,102.30

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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.