Home / 25,910.76-38,843.55-13,424.16

Finding the Fourth Proportional to 25,910.76, 38,843.55 and 13,424.16

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Solution

The fourth proportional to 25,910.76, 38,843.55 and 13,424.16 is: 20,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,910.76 : 38,843.55 = 13,424.16 : x
  2. Step 2: Convert to fraction form
    25,910.76/38,843.55 = 13,424.16/x
  3. Step 3: Cross multiply
    25,910.76x = 38,843.55 × 13,424.16
  4. Step 4: Simplify right side
    25,910.76x = 521,442,030.17
  5. Step 5: Solve for x
    x = 521,442,030.17/25,910.76
  6. Step 6: Final answer
    x = 20,124.54

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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.