Home / 20,844.04-31,251.48-10,450.12

Finding the Fourth Proportional to 20,844.04, 31,251.48 and 10,450.12

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Solution

The fourth proportional to 20,844.04, 31,251.48 and 10,450.12 is: 15,667.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,844.04 : 31,251.48 = 10,450.12 : x
  2. Step 2: Convert to fraction form
    20,844.04/31,251.48 = 10,450.12/x
  3. Step 3: Cross multiply
    20,844.04x = 31,251.48 × 10,450.12
  4. Step 4: Simplify right side
    20,844.04x = 326,581,716.18
  5. Step 5: Solve for x
    x = 326,581,716.18/20,844.04
  6. Step 6: Final answer
    x = 15,667.87

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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.