Home / 16,770.40-25,117.20-8,552.80

Finding the Fourth Proportional to 16,770.40, 25,117.20 and 8,552.80

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Solution

The fourth proportional to 16,770.40, 25,117.20 and 8,552.80 is: 12,809.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.40 : 25,117.20 = 8,552.80 : x
  2. Step 2: Convert to fraction form
    16,770.40/25,117.20 = 8,552.80/x
  3. Step 3: Cross multiply
    16,770.40x = 25,117.20 × 8,552.80
  4. Step 4: Simplify right side
    16,770.40x = 214,822,388.16
  5. Step 5: Solve for x
    x = 214,822,388.16/16,770.40
  6. Step 6: Final answer
    x = 12,809.62

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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.