Home / 25,886.04-38,820.72-8,351.76

Finding the Fourth Proportional to 25,886.04, 38,820.72 and 8,351.76

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Solution

The fourth proportional to 25,886.04, 38,820.72 and 8,351.76 is: 12,524.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,886.04 : 38,820.72 = 8,351.76 : x
  2. Step 2: Convert to fraction form
    25,886.04/38,820.72 = 8,351.76/x
  3. Step 3: Cross multiply
    25,886.04x = 38,820.72 × 8,351.76
  4. Step 4: Simplify right side
    25,886.04x = 324,221,336.47
  5. Step 5: Solve for x
    x = 324,221,336.47/25,886.04
  6. Step 6: Final answer
    x = 12,524.95

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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.