Home / 19,611.43-27,064.37-12,062.20

Finding the Fourth Proportional to 19,611.43, 27,064.37 and 12,062.20

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Solution

The fourth proportional to 19,611.43, 27,064.37 and 12,062.20 is: 16,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.43 : 27,064.37 = 12,062.20 : x
  2. Step 2: Convert to fraction form
    19,611.43/27,064.37 = 12,062.20/x
  3. Step 3: Cross multiply
    19,611.43x = 27,064.37 × 12,062.20
  4. Step 4: Simplify right side
    19,611.43x = 326,455,843.81
  5. Step 5: Solve for x
    x = 326,455,843.81/19,611.43
  6. Step 6: Final answer
    x = 16,646.20

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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.