Home / 19,675.97-27,148.02-12,611.96

Finding the Fourth Proportional to 19,675.97, 27,148.02 and 12,611.96

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Solution

The fourth proportional to 19,675.97, 27,148.02 and 12,611.96 is: 17,401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675.97 : 27,148.02 = 12,611.96 : x
  2. Step 2: Convert to fraction form
    19,675.97/27,148.02 = 12,611.96/x
  3. Step 3: Cross multiply
    19,675.97x = 27,148.02 × 12,611.96
  4. Step 4: Simplify right side
    19,675.97x = 342,389,742.32
  5. Step 5: Solve for x
    x = 342,389,742.32/19,675.97
  6. Step 6: Final answer
    x = 17,401.42

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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.