Home / 15,131.25-22,700.52-4,743

Finding the Fourth Proportional to 15,131.25, 22,700.52 and 4,743

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Solution

The fourth proportional to 15,131.25, 22,700.52 and 4,743 is: 7,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,131.25 : 22,700.52 = 4,743 : x
  2. Step 2: Convert to fraction form
    15,131.25/22,700.52 = 4,743/x
  3. Step 3: Cross multiply
    15,131.25x = 22,700.52 × 4,743
  4. Step 4: Simplify right side
    15,131.25x = 107,668,566.36
  5. Step 5: Solve for x
    x = 107,668,566.36/15,131.25
  6. Step 6: Final answer
    x = 7,115.64

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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.