Home / 22,467.28-30,986.58-19,772.68

Finding the Fourth Proportional to 22,467.28, 30,986.58 and 19,772.68

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Solution

The fourth proportional to 22,467.28, 30,986.58 and 19,772.68 is: 27,270.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,467.28 : 30,986.58 = 19,772.68 : x
  2. Step 2: Convert to fraction form
    22,467.28/30,986.58 = 19,772.68/x
  3. Step 3: Cross multiply
    22,467.28x = 30,986.58 × 19,772.68
  4. Step 4: Simplify right side
    22,467.28x = 612,687,730.63
  5. Step 5: Solve for x
    x = 612,687,730.63/22,467.28
  6. Step 6: Final answer
    x = 27,270.22

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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.