Home / 16,078.38-22,165.32-11,821.92

Finding the Fourth Proportional to 16,078.38, 22,165.32 and 11,821.92

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Solution

The fourth proportional to 16,078.38, 22,165.32 and 11,821.92 is: 16,297.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,078.38 : 22,165.32 = 11,821.92 : x
  2. Step 2: Convert to fraction form
    16,078.38/22,165.32 = 11,821.92/x
  3. Step 3: Cross multiply
    16,078.38x = 22,165.32 × 11,821.92
  4. Step 4: Simplify right side
    16,078.38x = 262,036,639.81
  5. Step 5: Solve for x
    x = 262,036,639.81/16,078.38
  6. Step 6: Final answer
    x = 16,297.45

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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.