Home / 23,028.30-34,542.45-13,672.80

Finding the Fourth Proportional to 23,028.30, 34,542.45 and 13,672.80

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Solution

The fourth proportional to 23,028.30, 34,542.45 and 13,672.80 is: 20,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,028.30 : 34,542.45 = 13,672.80 : x
  2. Step 2: Convert to fraction form
    23,028.30/34,542.45 = 13,672.80/x
  3. Step 3: Cross multiply
    23,028.30x = 34,542.45 × 13,672.80
  4. Step 4: Simplify right side
    23,028.30x = 472,292,010.36
  5. Step 5: Solve for x
    x = 472,292,010.36/23,028.30
  6. Step 6: Final answer
    x = 20,509.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.