Home / 22,744.11-31,389.20-12,674.19

Finding the Fourth Proportional to 22,744.11, 31,389.20 and 12,674.19

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Solution

The fourth proportional to 22,744.11, 31,389.20 and 12,674.19 is: 17,491.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,744.11 : 31,389.20 = 12,674.19 : x
  2. Step 2: Convert to fraction form
    22,744.11/31,389.20 = 12,674.19/x
  3. Step 3: Cross multiply
    22,744.11x = 31,389.20 × 12,674.19
  4. Step 4: Simplify right side
    22,744.11x = 397,832,684.75
  5. Step 5: Solve for x
    x = 397,832,684.75/22,744.11
  6. Step 6: Final answer
    x = 17,491.68

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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.