Home / 12,583.20-18,877.68-7,033.80

Finding the Fourth Proportional to 12,583.20, 18,877.68 and 7,033.80

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Solution

The fourth proportional to 12,583.20, 18,877.68 and 7,033.80 is: 10,552.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583.20 : 18,877.68 = 7,033.80 : x
  2. Step 2: Convert to fraction form
    12,583.20/18,877.68 = 7,033.80/x
  3. Step 3: Cross multiply
    12,583.20x = 18,877.68 × 7,033.80
  4. Step 4: Simplify right side
    12,583.20x = 132,781,825.58
  5. Step 5: Solve for x
    x = 132,781,825.58/12,583.20
  6. Step 6: Final answer
    x = 10,552.31

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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.