Home / 16,787.13-23,166.21-9,619.38

Finding the Fourth Proportional to 16,787.13, 23,166.21 and 9,619.38

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Solution

The fourth proportional to 16,787.13, 23,166.21 and 9,619.38 is: 13,274.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,787.13 : 23,166.21 = 9,619.38 : x
  2. Step 2: Convert to fraction form
    16,787.13/23,166.21 = 9,619.38/x
  3. Step 3: Cross multiply
    16,787.13x = 23,166.21 × 9,619.38
  4. Step 4: Simplify right side
    16,787.13x = 222,844,577.15
  5. Step 5: Solve for x
    x = 222,844,577.15/16,787.13
  6. Step 6: Final answer
    x = 13,274.73

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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.