Home / 16,787.44-23,167.86-11,112.28

Finding the Fourth Proportional to 16,787.44, 23,167.86 and 11,112.28

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Solution

The fourth proportional to 16,787.44, 23,167.86 and 11,112.28 is: 15,335.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,787.44 : 23,167.86 = 11,112.28 : x
  2. Step 2: Convert to fraction form
    16,787.44/23,167.86 = 11,112.28/x
  3. Step 3: Cross multiply
    16,787.44x = 23,167.86 × 11,112.28
  4. Step 4: Simplify right side
    16,787.44x = 257,447,747.32
  5. Step 5: Solve for x
    x = 257,447,747.32/16,787.44
  6. Step 6: Final answer
    x = 15,335.74

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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.