Home / 15,121.66-22,680.68-4,029.16

Finding the Fourth Proportional to 15,121.66, 22,680.68 and 4,029.16

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Solution

The fourth proportional to 15,121.66, 22,680.68 and 4,029.16 is: 6,043.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,121.66 : 22,680.68 = 4,029.16 : x
  2. Step 2: Convert to fraction form
    15,121.66/22,680.68 = 4,029.16/x
  3. Step 3: Cross multiply
    15,121.66x = 22,680.68 × 4,029.16
  4. Step 4: Simplify right side
    15,121.66x = 91,384,088.63
  5. Step 5: Solve for x
    x = 91,384,088.63/15,121.66
  6. Step 6: Final answer
    x = 6,043.26

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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.