Home / 27,249.11-37,602.56-15,919.65

Finding the Fourth Proportional to 27,249.11, 37,602.56 and 15,919.65

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Solution

The fourth proportional to 27,249.11, 37,602.56 and 15,919.65 is: 21,968.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,249.11 : 37,602.56 = 15,919.65 : x
  2. Step 2: Convert to fraction form
    27,249.11/37,602.56 = 15,919.65/x
  3. Step 3: Cross multiply
    27,249.11x = 37,602.56 × 15,919.65
  4. Step 4: Simplify right side
    27,249.11x = 598,619,514.71
  5. Step 5: Solve for x
    x = 598,619,514.71/27,249.11
  6. Step 6: Final answer
    x = 21,968.41

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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.