Home / 22,228.99-30,687.15-17,181.81

Finding the Fourth Proportional to 22,228.99, 30,687.15 and 17,181.81

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Solution

The fourth proportional to 22,228.99, 30,687.15 and 17,181.81 is: 23,719.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,228.99 : 30,687.15 = 17,181.81 : x
  2. Step 2: Convert to fraction form
    22,228.99/30,687.15 = 17,181.81/x
  3. Step 3: Cross multiply
    22,228.99x = 30,687.15 × 17,181.81
  4. Step 4: Simplify right side
    22,228.99x = 527,260,627.31
  5. Step 5: Solve for x
    x = 527,260,627.31/22,228.99
  6. Step 6: Final answer
    x = 23,719.51

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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.