Home / 25,850.22-38,767.12-8,315.98

Finding the Fourth Proportional to 25,850.22, 38,767.12 and 8,315.98

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Solution

The fourth proportional to 25,850.22, 38,767.12 and 8,315.98 is: 12,471.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,850.22 : 38,767.12 = 8,315.98 : x
  2. Step 2: Convert to fraction form
    25,850.22/38,767.12 = 8,315.98/x
  3. Step 3: Cross multiply
    25,850.22x = 38,767.12 × 8,315.98
  4. Step 4: Simplify right side
    25,850.22x = 322,386,594.58
  5. Step 5: Solve for x
    x = 322,386,594.58/25,850.22
  6. Step 6: Final answer
    x = 12,471.33

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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.