Home / 20,447.17-30,677.24-7,299.25

Finding the Fourth Proportional to 20,447.17, 30,677.24 and 7,299.25

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Solution

The fourth proportional to 20,447.17, 30,677.24 and 7,299.25 is: 10,951.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,447.17 : 30,677.24 = 7,299.25 : x
  2. Step 2: Convert to fraction form
    20,447.17/30,677.24 = 7,299.25/x
  3. Step 3: Cross multiply
    20,447.17x = 30,677.24 × 7,299.25
  4. Step 4: Simplify right side
    20,447.17x = 223,920,807.57
  5. Step 5: Solve for x
    x = 223,920,807.57/20,447.17
  6. Step 6: Final answer
    x = 10,951.19

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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.