Home / 12,027.52-17,920.31-11,356.84

Finding the Fourth Proportional to 12,027.52, 17,920.31 and 11,356.84

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Solution

The fourth proportional to 12,027.52, 17,920.31 and 11,356.84 is: 16,921.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027.52 : 17,920.31 = 11,356.84 : x
  2. Step 2: Convert to fraction form
    12,027.52/17,920.31 = 11,356.84/x
  3. Step 3: Cross multiply
    12,027.52x = 17,920.31 × 11,356.84
  4. Step 4: Simplify right side
    12,027.52x = 203,518,093.42
  5. Step 5: Solve for x
    x = 203,518,093.42/12,027.52
  6. Step 6: Final answer
    x = 16,921.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.