Home / 22,311.54-30,789.38-14,353.74

Finding the Fourth Proportional to 22,311.54, 30,789.38 and 14,353.74

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Solution

The fourth proportional to 22,311.54, 30,789.38 and 14,353.74 is: 19,807.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,311.54 : 30,789.38 = 14,353.74 : x
  2. Step 2: Convert to fraction form
    22,311.54/30,789.38 = 14,353.74/x
  3. Step 3: Cross multiply
    22,311.54x = 30,789.38 × 14,353.74
  4. Step 4: Simplify right side
    22,311.54x = 441,942,791.17
  5. Step 5: Solve for x
    x = 441,942,791.17/22,311.54
  6. Step 6: Final answer
    x = 19,807.81

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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.