Home / 14,084.24-19,436.72-8,115.44

Finding the Fourth Proportional to 14,084.24, 19,436.72 and 8,115.44

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Solution

The fourth proportional to 14,084.24, 19,436.72 and 8,115.44 is: 11,199.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.24 : 19,436.72 = 8,115.44 : x
  2. Step 2: Convert to fraction form
    14,084.24/19,436.72 = 8,115.44/x
  3. Step 3: Cross multiply
    14,084.24x = 19,436.72 × 8,115.44
  4. Step 4: Simplify right side
    14,084.24x = 157,737,534.96
  5. Step 5: Solve for x
    x = 157,737,534.96/14,084.24
  6. Step 6: Final answer
    x = 11,199.58

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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.