Home / 22,401.13-30,918.23-13,449.01

Finding the Fourth Proportional to 22,401.13, 30,918.23 and 13,449.01

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Solution

The fourth proportional to 22,401.13, 30,918.23 and 13,449.01 is: 18,562.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,401.13 : 30,918.23 = 13,449.01 : x
  2. Step 2: Convert to fraction form
    22,401.13/30,918.23 = 13,449.01/x
  3. Step 3: Cross multiply
    22,401.13x = 30,918.23 × 13,449.01
  4. Step 4: Simplify right side
    22,401.13x = 415,819,517.21
  5. Step 5: Solve for x
    x = 415,819,517.21/22,401.13
  6. Step 6: Final answer
    x = 18,562.43

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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.