Home / 18,505.02-25,540.16-17,889.92

Finding the Fourth Proportional to 18,505.02, 25,540.16 and 17,889.92

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Solution

The fourth proportional to 18,505.02, 25,540.16 and 17,889.92 is: 24,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,505.02 : 25,540.16 = 17,889.92 : x
  2. Step 2: Convert to fraction form
    18,505.02/25,540.16 = 17,889.92/x
  3. Step 3: Cross multiply
    18,505.02x = 25,540.16 × 17,889.92
  4. Step 4: Simplify right side
    18,505.02x = 456,911,202.04
  5. Step 5: Solve for x
    x = 456,911,202.04/18,505.02
  6. Step 6: Final answer
    x = 24,691.20

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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.