Home / 18,563.90-25,614.56-11,008.82

Finding the Fourth Proportional to 18,563.90, 25,614.56 and 11,008.82

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Solution

The fourth proportional to 18,563.90, 25,614.56 and 11,008.82 is: 15,190.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.90 : 25,614.56 = 11,008.82 : x
  2. Step 2: Convert to fraction form
    18,563.90/25,614.56 = 11,008.82/x
  3. Step 3: Cross multiply
    18,563.90x = 25,614.56 × 11,008.82
  4. Step 4: Simplify right side
    18,563.90x = 281,986,080.42
  5. Step 5: Solve for x
    x = 281,986,080.42/18,563.90
  6. Step 6: Final answer
    x = 15,190.02

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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.