Home / 23,799.90-32,843.43-13,728.78

Finding the Fourth Proportional to 23,799.90, 32,843.43 and 13,728.78

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Solution

The fourth proportional to 23,799.90, 32,843.43 and 13,728.78 is: 18,945.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,799.90 : 32,843.43 = 13,728.78 : x
  2. Step 2: Convert to fraction form
    23,799.90/32,843.43 = 13,728.78/x
  3. Step 3: Cross multiply
    23,799.90x = 32,843.43 × 13,728.78
  4. Step 4: Simplify right side
    23,799.90x = 450,900,224.92
  5. Step 5: Solve for x
    x = 450,900,224.92/23,799.90
  6. Step 6: Final answer
    x = 18,945.47

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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.