Home / 27,787.02-41,682.65-11,992.43

Finding the Fourth Proportional to 27,787.02, 41,682.65 and 11,992.43

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Solution

The fourth proportional to 27,787.02, 41,682.65 and 11,992.43 is: 17,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,787.02 : 41,682.65 = 11,992.43 : x
  2. Step 2: Convert to fraction form
    27,787.02/41,682.65 = 11,992.43/x
  3. Step 3: Cross multiply
    27,787.02x = 41,682.65 × 11,992.43
  4. Step 4: Simplify right side
    27,787.02x = 499,875,993.96
  5. Step 5: Solve for x
    x = 499,875,993.96/27,787.02
  6. Step 6: Final answer
    x = 17,989.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.