Home / 16,021.38-22,078.01-12,248.81

Finding the Fourth Proportional to 16,021.38, 22,078.01 and 12,248.81

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Solution

The fourth proportional to 16,021.38, 22,078.01 and 12,248.81 is: 16,879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,021.38 : 22,078.01 = 12,248.81 : x
  2. Step 2: Convert to fraction form
    16,021.38/22,078.01 = 12,248.81/x
  3. Step 3: Cross multiply
    16,021.38x = 22,078.01 × 12,248.81
  4. Step 4: Simplify right side
    16,021.38x = 270,429,178.03
  5. Step 5: Solve for x
    x = 270,429,178.03/16,021.38
  6. Step 6: Final answer
    x = 16,879.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.