Home / 22,313.72-30,793.61-12,242.79

Finding the Fourth Proportional to 22,313.72, 30,793.61 and 12,242.79

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Solution

The fourth proportional to 22,313.72, 30,793.61 and 12,242.79 is: 16,895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,313.72 : 30,793.61 = 12,242.79 : x
  2. Step 2: Convert to fraction form
    22,313.72/30,793.61 = 12,242.79/x
  3. Step 3: Cross multiply
    22,313.72x = 30,793.61 × 12,242.79
  4. Step 4: Simplify right side
    22,313.72x = 376,999,731.18
  5. Step 5: Solve for x
    x = 376,999,731.18/22,313.72
  6. Step 6: Final answer
    x = 16,895.42

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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.