Home / 22,819.93-31,513.05-21,577.44

Finding the Fourth Proportional to 22,819.93, 31,513.05 and 21,577.44

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Solution

The fourth proportional to 22,819.93, 31,513.05 and 21,577.44 is: 29,797.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,819.93 : 31,513.05 = 21,577.44 : x
  2. Step 2: Convert to fraction form
    22,819.93/31,513.05 = 21,577.44/x
  3. Step 3: Cross multiply
    22,819.93x = 31,513.05 × 21,577.44
  4. Step 4: Simplify right side
    22,819.93x = 679,970,945.59
  5. Step 5: Solve for x
    x = 679,970,945.59/22,819.93
  6. Step 6: Final answer
    x = 29,797.24

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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.