Home / 11,965.58-17,862.88-11,882.96

Finding the Fourth Proportional to 11,965.58, 17,862.88 and 11,882.96

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Solution

The fourth proportional to 11,965.58, 17,862.88 and 11,882.96 is: 17,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.58 : 17,862.88 = 11,882.96 : x
  2. Step 2: Convert to fraction form
    11,965.58/17,862.88 = 11,882.96/x
  3. Step 3: Cross multiply
    11,965.58x = 17,862.88 × 11,882.96
  4. Step 4: Simplify right side
    11,965.58x = 212,263,888.52
  5. Step 5: Solve for x
    x = 212,263,888.52/11,965.58
  6. Step 6: Final answer
    x = 17,739.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.