Home / 22,228.48-30,686.46-17,181.31

Finding the Fourth Proportional to 22,228.48, 30,686.46 and 17,181.31

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Solution

The fourth proportional to 22,228.48, 30,686.46 and 17,181.31 is: 23,718.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,228.48 : 30,686.46 = 17,181.31 : x
  2. Step 2: Convert to fraction form
    22,228.48/30,686.46 = 17,181.31/x
  3. Step 3: Cross multiply
    22,228.48x = 30,686.46 × 17,181.31
  4. Step 4: Simplify right side
    22,228.48x = 527,233,385.68
  5. Step 5: Solve for x
    x = 527,233,385.68/22,228.48
  6. Step 6: Final answer
    x = 23,718.82

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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.