Home / 23,195.06-31,984.98-13,761.80

Finding the Fourth Proportional to 23,195.06, 31,984.98 and 13,761.80

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Solution

The fourth proportional to 23,195.06, 31,984.98 and 13,761.80 is: 18,976.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,195.06 : 31,984.98 = 13,761.80 : x
  2. Step 2: Convert to fraction form
    23,195.06/31,984.98 = 13,761.80/x
  3. Step 3: Cross multiply
    23,195.06x = 31,984.98 × 13,761.80
  4. Step 4: Simplify right side
    23,195.06x = 440,170,897.76
  5. Step 5: Solve for x
    x = 440,170,897.76/23,195.06
  6. Step 6: Final answer
    x = 18,976.92

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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.