Home / 22,503.24-31,057.11-13,555.26

Finding the Fourth Proportional to 22,503.24, 31,057.11 and 13,555.26

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Solution

The fourth proportional to 22,503.24, 31,057.11 and 13,555.26 is: 18,707.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,503.24 : 31,057.11 = 13,555.26 : x
  2. Step 2: Convert to fraction form
    22,503.24/31,057.11 = 13,555.26/x
  3. Step 3: Cross multiply
    22,503.24x = 31,057.11 × 13,555.26
  4. Step 4: Simplify right side
    22,503.24x = 420,987,200.90
  5. Step 5: Solve for x
    x = 420,987,200.90/22,503.24
  6. Step 6: Final answer
    x = 18,707.85

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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.