Home / 22,241.96-30,719.10-15,156.08

Finding the Fourth Proportional to 22,241.96, 30,719.10 and 15,156.08

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Solution

The fourth proportional to 22,241.96, 30,719.10 and 15,156.08 is: 20,932.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,241.96 : 30,719.10 = 15,156.08 : x
  2. Step 2: Convert to fraction form
    22,241.96/30,719.10 = 15,156.08/x
  3. Step 3: Cross multiply
    22,241.96x = 30,719.10 × 15,156.08
  4. Step 4: Simplify right side
    22,241.96x = 465,581,137.13
  5. Step 5: Solve for x
    x = 465,581,137.13/22,241.96
  6. Step 6: Final answer
    x = 20,932.56

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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.