Home / 19,874.13-27,452.85-13,925.49

Finding the Fourth Proportional to 19,874.13, 27,452.85 and 13,925.49

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Solution

The fourth proportional to 19,874.13, 27,452.85 and 13,925.49 is: 19,235.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874.13 : 27,452.85 = 13,925.49 : x
  2. Step 2: Convert to fraction form
    19,874.13/27,452.85 = 13,925.49/x
  3. Step 3: Cross multiply
    19,874.13x = 27,452.85 × 13,925.49
  4. Step 4: Simplify right side
    19,874.13x = 382,294,388.15
  5. Step 5: Solve for x
    x = 382,294,388.15/19,874.13
  6. Step 6: Final answer
    x = 19,235.78

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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.