Home / 14,789.28-22,055.64-12,612

Finding the Fourth Proportional to 14,789.28, 22,055.64 and 12,612

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Solution

The fourth proportional to 14,789.28, 22,055.64 and 12,612 is: 18,808.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.28 : 22,055.64 = 12,612 : x
  2. Step 2: Convert to fraction form
    14,789.28/22,055.64 = 12,612/x
  3. Step 3: Cross multiply
    14,789.28x = 22,055.64 × 12,612
  4. Step 4: Simplify right side
    14,789.28x = 278,165,731.68
  5. Step 5: Solve for x
    x = 278,165,731.68/14,789.28
  6. Step 6: Final answer
    x = 18,808.61

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.