Home / 19,612.62-27,061.83-11,656.80

Finding the Fourth Proportional to 19,612.62, 27,061.83 and 11,656.80

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Solution

The fourth proportional to 19,612.62, 27,061.83 and 11,656.80 is: 16,084.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.62 : 27,061.83 = 11,656.80 : x
  2. Step 2: Convert to fraction form
    19,612.62/27,061.83 = 11,656.80/x
  3. Step 3: Cross multiply
    19,612.62x = 27,061.83 × 11,656.80
  4. Step 4: Simplify right side
    19,612.62x = 315,454,339.94
  5. Step 5: Solve for x
    x = 315,454,339.94/19,612.62
  6. Step 6: Final answer
    x = 16,084.25

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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.