Home / 14,027.71-19,358.22-8,991.92

Finding the Fourth Proportional to 14,027.71, 19,358.22 and 8,991.92

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Solution

The fourth proportional to 14,027.71, 19,358.22 and 8,991.92 is: 12,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.71 : 19,358.22 = 8,991.92 : x
  2. Step 2: Convert to fraction form
    14,027.71/19,358.22 = 8,991.92/x
  3. Step 3: Cross multiply
    14,027.71x = 19,358.22 × 8,991.92
  4. Step 4: Simplify right side
    14,027.71x = 174,067,636.46
  5. Step 5: Solve for x
    x = 174,067,636.46/14,027.71
  6. Step 6: Final answer
    x = 12,408.85

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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.