Home / 19,682.73-27,160.80-11,070.20

Finding the Fourth Proportional to 19,682.73, 27,160.80 and 11,070.20

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Solution

The fourth proportional to 19,682.73, 27,160.80 and 11,070.20 is: 15,276.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.73 : 27,160.80 = 11,070.20 : x
  2. Step 2: Convert to fraction form
    19,682.73/27,160.80 = 11,070.20/x
  3. Step 3: Cross multiply
    19,682.73x = 27,160.80 × 11,070.20
  4. Step 4: Simplify right side
    19,682.73x = 300,675,488.16
  5. Step 5: Solve for x
    x = 300,675,488.16/19,682.73
  6. Step 6: Final answer
    x = 15,276.11

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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.