Home / 22,207.83-30,645.86-12,136.11

Finding the Fourth Proportional to 22,207.83, 30,645.86 and 12,136.11

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Solution

The fourth proportional to 22,207.83, 30,645.86 and 12,136.11 is: 16,747.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.83 : 30,645.86 = 12,136.11 : x
  2. Step 2: Convert to fraction form
    22,207.83/30,645.86 = 12,136.11/x
  3. Step 3: Cross multiply
    22,207.83x = 30,645.86 × 12,136.11
  4. Step 4: Simplify right side
    22,207.83x = 371,921,467.32
  5. Step 5: Solve for x
    x = 371,921,467.32/22,207.83
  6. Step 6: Final answer
    x = 16,747.31

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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.