Home / 16,162.60-22,301.31-9,787.90

Finding the Fourth Proportional to 16,162.60, 22,301.31 and 9,787.90

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Solution

The fourth proportional to 16,162.60, 22,301.31 and 9,787.90 is: 13,505.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,162.60 : 22,301.31 = 9,787.90 : x
  2. Step 2: Convert to fraction form
    16,162.60/22,301.31 = 9,787.90/x
  3. Step 3: Cross multiply
    16,162.60x = 22,301.31 × 9,787.90
  4. Step 4: Simplify right side
    16,162.60x = 218,282,992.15
  5. Step 5: Solve for x
    x = 218,282,992.15/16,162.60
  6. Step 6: Final answer
    x = 13,505.44

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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.