Home / 22,122.56-30,528.15-12,924.97

Finding the Fourth Proportional to 22,122.56, 30,528.15 and 12,924.97

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Solution

The fourth proportional to 22,122.56, 30,528.15 and 12,924.97 is: 17,835.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.56 : 30,528.15 = 12,924.97 : x
  2. Step 2: Convert to fraction form
    22,122.56/30,528.15 = 12,924.97/x
  3. Step 3: Cross multiply
    22,122.56x = 30,528.15 × 12,924.97
  4. Step 4: Simplify right side
    22,122.56x = 394,575,205.64
  5. Step 5: Solve for x
    x = 394,575,205.64/22,122.56
  6. Step 6: Final answer
    x = 17,835.87

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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.