Home / 22,207.58-30,645.54-12,136.37

Finding the Fourth Proportional to 22,207.58, 30,645.54 and 12,136.37

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Solution

The fourth proportional to 22,207.58, 30,645.54 and 12,136.37 is: 16,747.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.58 : 30,645.54 = 12,136.37 : x
  2. Step 2: Convert to fraction form
    22,207.58/30,645.54 = 12,136.37/x
  3. Step 3: Cross multiply
    22,207.58x = 30,645.54 × 12,136.37
  4. Step 4: Simplify right side
    22,207.58x = 371,925,612.29
  5. Step 5: Solve for x
    x = 371,925,612.29/22,207.58
  6. Step 6: Final answer
    x = 16,747.69

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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.