Home / 20,062.56-30,097.62-8,969.70

Finding the Fourth Proportional to 20,062.56, 30,097.62 and 8,969.70

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Solution

The fourth proportional to 20,062.56, 30,097.62 and 8,969.70 is: 13,456.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.56 : 30,097.62 = 8,969.70 : x
  2. Step 2: Convert to fraction form
    20,062.56/30,097.62 = 8,969.70/x
  3. Step 3: Cross multiply
    20,062.56x = 30,097.62 × 8,969.70
  4. Step 4: Simplify right side
    20,062.56x = 269,966,622.11
  5. Step 5: Solve for x
    x = 269,966,622.11/20,062.56
  6. Step 6: Final answer
    x = 13,456.24

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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.