Home / 22,247.91-30,700.78-12,174.34

Finding the Fourth Proportional to 22,247.91, 30,700.78 and 12,174.34

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Solution

The fourth proportional to 22,247.91, 30,700.78 and 12,174.34 is: 16,799.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,247.91 : 30,700.78 = 12,174.34 : x
  2. Step 2: Convert to fraction form
    22,247.91/30,700.78 = 12,174.34/x
  3. Step 3: Cross multiply
    22,247.91x = 30,700.78 × 12,174.34
  4. Step 4: Simplify right side
    22,247.91x = 373,761,733.99
  5. Step 5: Solve for x
    x = 373,761,733.99/22,247.91
  6. Step 6: Final answer
    x = 16,799.86

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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.