Home / 22,793.96-31,455.56-12,722.28

Finding the Fourth Proportional to 22,793.96, 31,455.56 and 12,722.28

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Solution

The fourth proportional to 22,793.96, 31,455.56 and 12,722.28 is: 17,556.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,793.96 : 31,455.56 = 12,722.28 : x
  2. Step 2: Convert to fraction form
    22,793.96/31,455.56 = 12,722.28/x
  3. Step 3: Cross multiply
    22,793.96x = 31,455.56 × 12,722.28
  4. Step 4: Simplify right side
    22,793.96x = 400,186,441.88
  5. Step 5: Solve for x
    x = 400,186,441.88/22,793.96
  6. Step 6: Final answer
    x = 17,556.69

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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.