Home / 19,611.60-27,061.94-11,652.75

Finding the Fourth Proportional to 19,611.60, 27,061.94 and 11,652.75

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Solution

The fourth proportional to 19,611.60, 27,061.94 and 11,652.75 is: 16,079.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.60 : 27,061.94 = 11,652.75 : x
  2. Step 2: Convert to fraction form
    19,611.60/27,061.94 = 11,652.75/x
  3. Step 3: Cross multiply
    19,611.60x = 27,061.94 × 11,652.75
  4. Step 4: Simplify right side
    19,611.60x = 315,345,963.07
  5. Step 5: Solve for x
    x = 315,345,963.07/19,611.60
  6. Step 6: Final answer
    x = 16,079.56

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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.