Home / 16,038.38-22,131.99-8,867.86

Finding the Fourth Proportional to 16,038.38, 22,131.99 and 8,867.86

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Solution

The fourth proportional to 16,038.38, 22,131.99 and 8,867.86 is: 12,237.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,038.38 : 22,131.99 = 8,867.86 : x
  2. Step 2: Convert to fraction form
    16,038.38/22,131.99 = 8,867.86/x
  3. Step 3: Cross multiply
    16,038.38x = 22,131.99 × 8,867.86
  4. Step 4: Simplify right side
    16,038.38x = 196,263,394.43
  5. Step 5: Solve for x
    x = 196,263,394.43/16,038.38
  6. Step 6: Final answer
    x = 12,237.11

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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.