Home / 19,611.28-27,062.76-11,226.64

Finding the Fourth Proportional to 19,611.28, 27,062.76 and 11,226.64

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Solution

The fourth proportional to 19,611.28, 27,062.76 and 11,226.64 is: 15,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.28 : 27,062.76 = 11,226.64 : x
  2. Step 2: Convert to fraction form
    19,611.28/27,062.76 = 11,226.64/x
  3. Step 3: Cross multiply
    19,611.28x = 27,062.76 × 11,226.64
  4. Step 4: Simplify right side
    19,611.28x = 303,823,863.93
  5. Step 5: Solve for x
    x = 303,823,863.93/19,611.28
  6. Step 6: Final answer
    x = 15,492.30

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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.