Home / 22,179.04-30,607.68-13,227.28

Finding the Fourth Proportional to 22,179.04, 30,607.68 and 13,227.28

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Solution

The fourth proportional to 22,179.04, 30,607.68 and 13,227.28 is: 18,254.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,179.04 : 30,607.68 = 13,227.28 : x
  2. Step 2: Convert to fraction form
    22,179.04/30,607.68 = 13,227.28/x
  3. Step 3: Cross multiply
    22,179.04x = 30,607.68 × 13,227.28
  4. Step 4: Simplify right side
    22,179.04x = 404,856,353.51
  5. Step 5: Solve for x
    x = 404,856,353.51/22,179.04
  6. Step 6: Final answer
    x = 18,254.01

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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.