Home / 25,203.57-34,781.52-13,873.70

Finding the Fourth Proportional to 25,203.57, 34,781.52 and 13,873.70

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Solution

The fourth proportional to 25,203.57, 34,781.52 and 13,873.70 is: 19,146.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,203.57 : 34,781.52 = 13,873.70 : x
  2. Step 2: Convert to fraction form
    25,203.57/34,781.52 = 13,873.70/x
  3. Step 3: Cross multiply
    25,203.57x = 34,781.52 × 13,873.70
  4. Step 4: Simplify right side
    25,203.57x = 482,548,200.12
  5. Step 5: Solve for x
    x = 482,548,200.12/25,203.57
  6. Step 6: Final answer
    x = 19,146.03

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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.