Home / 18,132.90-25,022.73-10,175.55

Finding the Fourth Proportional to 18,132.90, 25,022.73 and 10,175.55

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Solution

The fourth proportional to 18,132.90, 25,022.73 and 10,175.55 is: 14,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.90 : 25,022.73 = 10,175.55 : x
  2. Step 2: Convert to fraction form
    18,132.90/25,022.73 = 10,175.55/x
  3. Step 3: Cross multiply
    18,132.90x = 25,022.73 × 10,175.55
  4. Step 4: Simplify right side
    18,132.90x = 254,620,040.25
  5. Step 5: Solve for x
    x = 254,620,040.25/18,132.90
  6. Step 6: Final answer
    x = 14,041.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.