Home / 17,740.70-26,574.60-12,200.30

Finding the Fourth Proportional to 17,740.70, 26,574.60 and 12,200.30

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Solution

The fourth proportional to 17,740.70, 26,574.60 and 12,200.30 is: 18,275.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,740.70 : 26,574.60 = 12,200.30 : x
  2. Step 2: Convert to fraction form
    17,740.70/26,574.60 = 12,200.30/x
  3. Step 3: Cross multiply
    17,740.70x = 26,574.60 × 12,200.30
  4. Step 4: Simplify right side
    17,740.70x = 324,218,092.38
  5. Step 5: Solve for x
    x = 324,218,092.38/17,740.70
  6. Step 6: Final answer
    x = 18,275.38

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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.