Home / 22,919.13-34,383.65-7,123.86

Finding the Fourth Proportional to 22,919.13, 34,383.65 and 7,123.86

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Solution

The fourth proportional to 22,919.13, 34,383.65 and 7,123.86 is: 10,687.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919.13 : 34,383.65 = 7,123.86 : x
  2. Step 2: Convert to fraction form
    22,919.13/34,383.65 = 7,123.86/x
  3. Step 3: Cross multiply
    22,919.13x = 34,383.65 × 7,123.86
  4. Step 4: Simplify right side
    22,919.13x = 244,944,273.27
  5. Step 5: Solve for x
    x = 244,944,273.27/22,919.13
  6. Step 6: Final answer
    x = 10,687.33

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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.