Home / 27,106.11-37,408.08-15,169.20

Finding the Fourth Proportional to 27,106.11, 37,408.08 and 15,169.20

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Solution

The fourth proportional to 27,106.11, 37,408.08 and 15,169.20 is: 20,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,106.11 : 37,408.08 = 15,169.20 : x
  2. Step 2: Convert to fraction form
    27,106.11/37,408.08 = 15,169.20/x
  3. Step 3: Cross multiply
    27,106.11x = 37,408.08 × 15,169.20
  4. Step 4: Simplify right side
    27,106.11x = 567,450,647.14
  5. Step 5: Solve for x
    x = 567,450,647.14/27,106.11
  6. Step 6: Final answer
    x = 20,934.42

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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.