Home / 28,080.93-38,751.66-16,146.60

Finding the Fourth Proportional to 28,080.93, 38,751.66 and 16,146.60

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Solution

The fourth proportional to 28,080.93, 38,751.66 and 16,146.60 is: 22,282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080.93 : 38,751.66 = 16,146.60 : x
  2. Step 2: Convert to fraction form
    28,080.93/38,751.66 = 16,146.60/x
  3. Step 3: Cross multiply
    28,080.93x = 38,751.66 × 16,146.60
  4. Step 4: Simplify right side
    28,080.93x = 625,707,553.36
  5. Step 5: Solve for x
    x = 625,707,553.36/28,080.93
  6. Step 6: Final answer
    x = 22,282.29

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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.