Home / 20,950.38-31,454.73-10,569.42

Finding the Fourth Proportional to 20,950.38, 31,454.73 and 10,569.42

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Solution

The fourth proportional to 20,950.38, 31,454.73 and 10,569.42 is: 15,868.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,950.38 : 31,454.73 = 10,569.42 : x
  2. Step 2: Convert to fraction form
    20,950.38/31,454.73 = 10,569.42/x
  3. Step 3: Cross multiply
    20,950.38x = 31,454.73 × 10,569.42
  4. Step 4: Simplify right side
    20,950.38x = 332,458,252.36
  5. Step 5: Solve for x
    x = 332,458,252.36/20,950.38
  6. Step 6: Final answer
    x = 15,868.84

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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.