Home / 22,127.10-30,574.31-17,687.49

Finding the Fourth Proportional to 22,127.10, 30,574.31 and 17,687.49

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Solution

The fourth proportional to 22,127.10, 30,574.31 and 17,687.49 is: 24,439.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,127.10 : 30,574.31 = 17,687.49 : x
  2. Step 2: Convert to fraction form
    22,127.10/30,574.31 = 17,687.49/x
  3. Step 3: Cross multiply
    22,127.10x = 30,574.31 × 17,687.49
  4. Step 4: Simplify right side
    22,127.10x = 540,782,713.94
  5. Step 5: Solve for x
    x = 540,782,713.94/22,127.10
  6. Step 6: Final answer
    x = 24,439.84

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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.