Home / 25,853.97-38,781.12-14,160.81

Finding the Fourth Proportional to 25,853.97, 38,781.12 and 14,160.81

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Solution

The fourth proportional to 25,853.97, 38,781.12 and 14,160.81 is: 21,241.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,853.97 : 38,781.12 = 14,160.81 : x
  2. Step 2: Convert to fraction form
    25,853.97/38,781.12 = 14,160.81/x
  3. Step 3: Cross multiply
    25,853.97x = 38,781.12 × 14,160.81
  4. Step 4: Simplify right side
    25,853.97x = 549,172,071.91
  5. Step 5: Solve for x
    x = 549,172,071.91/25,853.97
  6. Step 6: Final answer
    x = 21,241.31

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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.