Home / 23,141.60-31,936.38-13,708.34

Finding the Fourth Proportional to 23,141.60, 31,936.38 and 13,708.34

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Solution

The fourth proportional to 23,141.60, 31,936.38 and 13,708.34 is: 18,918.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,141.60 : 31,936.38 = 13,708.34 : x
  2. Step 2: Convert to fraction form
    23,141.60/31,936.38 = 13,708.34/x
  3. Step 3: Cross multiply
    23,141.60x = 31,936.38 × 13,708.34
  4. Step 4: Simplify right side
    23,141.60x = 437,794,755.41
  5. Step 5: Solve for x
    x = 437,794,755.41/23,141.60
  6. Step 6: Final answer
    x = 18,918.08

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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.