Home / 22,849.80-31,532.94-13,290.18

Finding the Fourth Proportional to 22,849.80, 31,532.94 and 13,290.18

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Solution

The fourth proportional to 22,849.80, 31,532.94 and 13,290.18 is: 18,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,849.80 : 31,532.94 = 13,290.18 : x
  2. Step 2: Convert to fraction form
    22,849.80/31,532.94 = 13,290.18/x
  3. Step 3: Cross multiply
    22,849.80x = 31,532.94 × 13,290.18
  4. Step 4: Simplify right side
    22,849.80x = 419,078,448.53
  5. Step 5: Solve for x
    x = 419,078,448.53/22,849.80
  6. Step 6: Final answer
    x = 18,340.57

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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.