Home / 19,682.23-27,160.11-11,069.70

Finding the Fourth Proportional to 19,682.23, 27,160.11 and 11,069.70

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Solution

The fourth proportional to 19,682.23, 27,160.11 and 11,069.70 is: 15,275.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.23 : 27,160.11 = 11,069.70 : x
  2. Step 2: Convert to fraction form
    19,682.23/27,160.11 = 11,069.70/x
  3. Step 3: Cross multiply
    19,682.23x = 27,160.11 × 11,069.70
  4. Step 4: Simplify right side
    19,682.23x = 300,654,269.67
  5. Step 5: Solve for x
    x = 300,654,269.67/19,682.23
  6. Step 6: Final answer
    x = 15,275.42

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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.