Home / 22,015.88-30,381.62-12,584.20

Finding the Fourth Proportional to 22,015.88, 30,381.62 and 12,584.20

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Solution

The fourth proportional to 22,015.88, 30,381.62 and 12,584.20 is: 17,366.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.88 : 30,381.62 = 12,584.20 : x
  2. Step 2: Convert to fraction form
    22,015.88/30,381.62 = 12,584.20/x
  3. Step 3: Cross multiply
    22,015.88x = 30,381.62 × 12,584.20
  4. Step 4: Simplify right side
    22,015.88x = 382,328,382.40
  5. Step 5: Solve for x
    x = 382,328,382.40/22,015.88
  6. Step 6: Final answer
    x = 17,366.03

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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.