Home / 25,009.91-34,512.26-13,677.15

Finding the Fourth Proportional to 25,009.91, 34,512.26 and 13,677.15

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Solution

The fourth proportional to 25,009.91, 34,512.26 and 13,677.15 is: 18,873.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,009.91 : 34,512.26 = 13,677.15 : x
  2. Step 2: Convert to fraction form
    25,009.91/34,512.26 = 13,677.15/x
  3. Step 3: Cross multiply
    25,009.91x = 34,512.26 × 13,677.15
  4. Step 4: Simplify right side
    25,009.91x = 472,029,288.47
  5. Step 5: Solve for x
    x = 472,029,288.47/25,009.91
  6. Step 6: Final answer
    x = 18,873.69

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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.