Home / 22,793.38-31,456.09-13,364.98

Finding the Fourth Proportional to 22,793.38, 31,456.09 and 13,364.98

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Solution

The fourth proportional to 22,793.38, 31,456.09 and 13,364.98 is: 18,444.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,793.38 : 31,456.09 = 13,364.98 : x
  2. Step 2: Convert to fraction form
    22,793.38/31,456.09 = 13,364.98/x
  3. Step 3: Cross multiply
    22,793.38x = 31,456.09 × 13,364.98
  4. Step 4: Simplify right side
    22,793.38x = 420,409,856.45
  5. Step 5: Solve for x
    x = 420,409,856.45/22,793.38
  6. Step 6: Final answer
    x = 18,444.39

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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.