Home / 18,132.64-25,048.30-17,186.80

Finding the Fourth Proportional to 18,132.64, 25,048.30 and 17,186.80

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Solution

The fourth proportional to 18,132.64, 25,048.30 and 17,186.80 is: 23,741.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.64 : 25,048.30 = 17,186.80 : x
  2. Step 2: Convert to fraction form
    18,132.64/25,048.30 = 17,186.80/x
  3. Step 3: Cross multiply
    18,132.64x = 25,048.30 × 17,186.80
  4. Step 4: Simplify right side
    18,132.64x = 430,500,122.44
  5. Step 5: Solve for x
    x = 430,500,122.44/18,132.64
  6. Step 6: Final answer
    x = 23,741.72

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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.