Home / 20,697.19-31,046.94-5,904.92

Finding the Fourth Proportional to 20,697.19, 31,046.94 and 5,904.92

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Solution

The fourth proportional to 20,697.19, 31,046.94 and 5,904.92 is: 8,857.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697.19 : 31,046.94 = 5,904.92 : x
  2. Step 2: Convert to fraction form
    20,697.19/31,046.94 = 5,904.92/x
  3. Step 3: Cross multiply
    20,697.19x = 31,046.94 × 5,904.92
  4. Step 4: Simplify right side
    20,697.19x = 183,329,667.42
  5. Step 5: Solve for x
    x = 183,329,667.42/20,697.19
  6. Step 6: Final answer
    x = 8,857.71

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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.