Home / 23,193.44-31,996.32-13,758.56

Finding the Fourth Proportional to 23,193.44, 31,996.32 and 13,758.56

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Solution

The fourth proportional to 23,193.44, 31,996.32 and 13,758.56 is: 18,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,193.44 : 31,996.32 = 13,758.56 : x
  2. Step 2: Convert to fraction form
    23,193.44/31,996.32 = 13,758.56/x
  3. Step 3: Cross multiply
    23,193.44x = 31,996.32 × 13,758.56
  4. Step 4: Simplify right side
    23,193.44x = 440,223,288.50
  5. Step 5: Solve for x
    x = 440,223,288.50/23,193.44
  6. Step 6: Final answer
    x = 18,980.51

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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.