Home / 21,825.72-30,137.26-17,793.18

Finding the Fourth Proportional to 21,825.72, 30,137.26 and 17,793.18

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Solution

The fourth proportional to 21,825.72, 30,137.26 and 17,793.18 is: 24,569.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,825.72 : 30,137.26 = 17,793.18 : x
  2. Step 2: Convert to fraction form
    21,825.72/30,137.26 = 17,793.18/x
  3. Step 3: Cross multiply
    21,825.72x = 30,137.26 × 17,793.18
  4. Step 4: Simplify right side
    21,825.72x = 536,237,691.89
  5. Step 5: Solve for x
    x = 536,237,691.89/21,825.72
  6. Step 6: Final answer
    x = 24,569.07

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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.