Home / 16,852.32-25,278.14-7,489.80

Finding the Fourth Proportional to 16,852.32, 25,278.14 and 7,489.80

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Solution

The fourth proportional to 16,852.32, 25,278.14 and 7,489.80 is: 11,234.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,852.32 : 25,278.14 = 7,489.80 : x
  2. Step 2: Convert to fraction form
    16,852.32/25,278.14 = 7,489.80/x
  3. Step 3: Cross multiply
    16,852.32x = 25,278.14 × 7,489.80
  4. Step 4: Simplify right side
    16,852.32x = 189,328,231.70
  5. Step 5: Solve for x
    x = 189,328,231.70/16,852.32
  6. Step 6: Final answer
    x = 11,234.55

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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.