Home / 19,701.38-27,189.52-11,206.16

Finding the Fourth Proportional to 19,701.38, 27,189.52 and 11,206.16

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Solution

The fourth proportional to 19,701.38, 27,189.52 and 11,206.16 is: 15,465.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.38 : 27,189.52 = 11,206.16 : x
  2. Step 2: Convert to fraction form
    19,701.38/27,189.52 = 11,206.16/x
  3. Step 3: Cross multiply
    19,701.38x = 27,189.52 × 11,206.16
  4. Step 4: Simplify right side
    19,701.38x = 304,689,987.44
  5. Step 5: Solve for x
    x = 304,689,987.44/19,701.38
  6. Step 6: Final answer
    x = 15,465.41

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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.