Home / 15,131.75-22,698.23-5,272.02

Finding the Fourth Proportional to 15,131.75, 22,698.23 and 5,272.02

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Solution

The fourth proportional to 15,131.75, 22,698.23 and 5,272.02 is: 7,908.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,131.75 : 22,698.23 = 5,272.02 : x
  2. Step 2: Convert to fraction form
    15,131.75/22,698.23 = 5,272.02/x
  3. Step 3: Cross multiply
    15,131.75x = 22,698.23 × 5,272.02
  4. Step 4: Simplify right side
    15,131.75x = 119,665,496.16
  5. Step 5: Solve for x
    x = 119,665,496.16/15,131.75
  6. Step 6: Final answer
    x = 7,908.24

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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.