Home / 22,226.52-30,673.28-13,728.36

Finding the Fourth Proportional to 22,226.52, 30,673.28 and 13,728.36

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Solution

The fourth proportional to 22,226.52, 30,673.28 and 13,728.36 is: 18,945.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,226.52 : 30,673.28 = 13,728.36 : x
  2. Step 2: Convert to fraction form
    22,226.52/30,673.28 = 13,728.36/x
  3. Step 3: Cross multiply
    22,226.52x = 30,673.28 × 13,728.36
  4. Step 4: Simplify right side
    22,226.52x = 421,093,830.22
  5. Step 5: Solve for x
    x = 421,093,830.22/22,226.52
  6. Step 6: Final answer
    x = 18,945.56

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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.