Home / 22,293.40-30,771.48-12,868.24

Finding the Fourth Proportional to 22,293.40, 30,771.48 and 12,868.24

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Solution

The fourth proportional to 22,293.40, 30,771.48 and 12,868.24 is: 17,761.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,293.40 : 30,771.48 = 12,868.24 : x
  2. Step 2: Convert to fraction form
    22,293.40/30,771.48 = 12,868.24/x
  3. Step 3: Cross multiply
    22,293.40x = 30,771.48 × 12,868.24
  4. Step 4: Simplify right side
    22,293.40x = 395,974,789.80
  5. Step 5: Solve for x
    x = 395,974,789.80/22,293.40
  6. Step 6: Final answer
    x = 17,761.97

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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.