Home / 25,454.16-38,109.86-19,194.48

Finding the Fourth Proportional to 25,454.16, 38,109.86 and 19,194.48

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Solution

The fourth proportional to 25,454.16, 38,109.86 and 19,194.48 is: 28,737.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,454.16 : 38,109.86 = 19,194.48 : x
  2. Step 2: Convert to fraction form
    25,454.16/38,109.86 = 19,194.48/x
  3. Step 3: Cross multiply
    25,454.16x = 38,109.86 × 19,194.48
  4. Step 4: Simplify right side
    25,454.16x = 731,498,921.58
  5. Step 5: Solve for x
    x = 731,498,921.58/25,454.16
  6. Step 6: Final answer
    x = 28,737.89

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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.