Home / 18,892.26-28,331.22-5,561.59

Finding the Fourth Proportional to 18,892.26, 28,331.22 and 5,561.59

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Solution

The fourth proportional to 18,892.26, 28,331.22 and 5,561.59 is: 8,340.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,892.26 : 28,331.22 = 5,561.59 : x
  2. Step 2: Convert to fraction form
    18,892.26/28,331.22 = 5,561.59/x
  3. Step 3: Cross multiply
    18,892.26x = 28,331.22 × 5,561.59
  4. Step 4: Simplify right side
    18,892.26x = 157,566,522.02
  5. Step 5: Solve for x
    x = 157,566,522.02/18,892.26
  6. Step 6: Final answer
    x = 8,340.27

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1.5x scale

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.