Home / 22,207.25-30,645.10-12,136.03

Finding the Fourth Proportional to 22,207.25, 30,645.10 and 12,136.03

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Solution

The fourth proportional to 22,207.25, 30,645.10 and 12,136.03 is: 16,747.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.25 : 30,645.10 = 12,136.03 : x
  2. Step 2: Convert to fraction form
    22,207.25/30,645.10 = 12,136.03/x
  3. Step 3: Cross multiply
    22,207.25x = 30,645.10 × 12,136.03
  4. Step 4: Simplify right side
    22,207.25x = 371,909,852.95
  5. Step 5: Solve for x
    x = 371,909,852.95/22,207.25
  6. Step 6: Final answer
    x = 16,747.23

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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.