Home / 23,193.06-31,982.22-13,759.80

Finding the Fourth Proportional to 23,193.06, 31,982.22 and 13,759.80

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Solution

The fourth proportional to 23,193.06, 31,982.22 and 13,759.80 is: 18,974.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,193.06 : 31,982.22 = 13,759.80 : x
  2. Step 2: Convert to fraction form
    23,193.06/31,982.22 = 13,759.80/x
  3. Step 3: Cross multiply
    23,193.06x = 31,982.22 × 13,759.80
  4. Step 4: Simplify right side
    23,193.06x = 440,068,950.76
  5. Step 5: Solve for x
    x = 440,068,950.76/23,193.06
  6. Step 6: Final answer
    x = 18,974.17

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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.