Home / 22,274.92-30,779.94-21,195.24

Finding the Fourth Proportional to 22,274.92, 30,779.94 and 21,195.24

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Solution

The fourth proportional to 22,274.92, 30,779.94 and 21,195.24 is: 29,288.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,274.92 : 30,779.94 = 21,195.24 : x
  2. Step 2: Convert to fraction form
    22,274.92/30,779.94 = 21,195.24/x
  3. Step 3: Cross multiply
    22,274.92x = 30,779.94 × 21,195.24
  4. Step 4: Simplify right side
    22,274.92x = 652,388,215.49
  5. Step 5: Solve for x
    x = 652,388,215.49/22,274.92
  6. Step 6: Final answer
    x = 29,288.02

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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.