Home / 22,195.62-30,630.06-12,124.20

Finding the Fourth Proportional to 22,195.62, 30,630.06 and 12,124.20

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Solution

The fourth proportional to 22,195.62, 30,630.06 and 12,124.20 is: 16,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,195.62 : 30,630.06 = 12,124.20 : x
  2. Step 2: Convert to fraction form
    22,195.62/30,630.06 = 12,124.20/x
  3. Step 3: Cross multiply
    22,195.62x = 30,630.06 × 12,124.20
  4. Step 4: Simplify right side
    22,195.62x = 371,364,973.45
  5. Step 5: Solve for x
    x = 371,364,973.45/22,195.62
  6. Step 6: Final answer
    x = 16,731.45

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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.