Home / 15,121.98-22,680.42-4,589.48

Finding the Fourth Proportional to 15,121.98, 22,680.42 and 4,589.48

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Solution

The fourth proportional to 15,121.98, 22,680.42 and 4,589.48 is: 6,883.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,121.98 : 22,680.42 = 4,589.48 : x
  2. Step 2: Convert to fraction form
    15,121.98/22,680.42 = 4,589.48/x
  3. Step 3: Cross multiply
    15,121.98x = 22,680.42 × 4,589.48
  4. Step 4: Simplify right side
    15,121.98x = 104,091,333.98
  5. Step 5: Solve for x
    x = 104,091,333.98/15,121.98
  6. Step 6: Final answer
    x = 6,883.45

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1.5x scale

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.