Home / 25,340.80-38,016.60-12,862.48

Finding the Fourth Proportional to 25,340.80, 38,016.60 and 12,862.48

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Solution

The fourth proportional to 25,340.80, 38,016.60 and 12,862.48 is: 19,296.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,340.80 : 38,016.60 = 12,862.48 : x
  2. Step 2: Convert to fraction form
    25,340.80/38,016.60 = 12,862.48/x
  3. Step 3: Cross multiply
    25,340.80x = 38,016.60 × 12,862.48
  4. Step 4: Simplify right side
    25,340.80x = 488,987,757.17
  5. Step 5: Solve for x
    x = 488,987,757.17/25,340.80
  6. Step 6: Final answer
    x = 19,296.46

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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.