Home / 16,034.20-22,128.06-9,316.60

Finding the Fourth Proportional to 16,034.20, 22,128.06 and 9,316.60

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Solution

The fourth proportional to 16,034.20, 22,128.06 and 9,316.60 is: 12,857.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,034.20 : 22,128.06 = 9,316.60 : x
  2. Step 2: Convert to fraction form
    16,034.20/22,128.06 = 9,316.60/x
  3. Step 3: Cross multiply
    16,034.20x = 22,128.06 × 9,316.60
  4. Step 4: Simplify right side
    16,034.20x = 206,158,283.80
  5. Step 5: Solve for x
    x = 206,158,283.80/16,034.20
  6. Step 6: Final answer
    x = 12,857.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.