Home / 23,040.28-31,795.68-13,609.48

Finding the Fourth Proportional to 23,040.28, 31,795.68 and 13,609.48

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Solution

The fourth proportional to 23,040.28, 31,795.68 and 13,609.48 is: 18,781.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,040.28 : 31,795.68 = 13,609.48 : x
  2. Step 2: Convert to fraction form
    23,040.28/31,795.68 = 13,609.48/x
  3. Step 3: Cross multiply
    23,040.28x = 31,795.68 × 13,609.48
  4. Step 4: Simplify right side
    23,040.28x = 432,722,671.05
  5. Step 5: Solve for x
    x = 432,722,671.05/23,040.28
  6. Step 6: Final answer
    x = 18,781.14

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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.