Home / 25,204.48-34,781.75-13,874.20

Finding the Fourth Proportional to 25,204.48, 34,781.75 and 13,874.20

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Solution

The fourth proportional to 25,204.48, 34,781.75 and 13,874.20 is: 19,146.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,204.48 : 34,781.75 = 13,874.20 : x
  2. Step 2: Convert to fraction form
    25,204.48/34,781.75 = 13,874.20/x
  3. Step 3: Cross multiply
    25,204.48x = 34,781.75 × 13,874.20
  4. Step 4: Simplify right side
    25,204.48x = 482,568,886.48
  5. Step 5: Solve for x
    x = 482,568,886.48/25,204.48
  6. Step 6: Final answer
    x = 19,146.16

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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.