Home / 19,648.61-27,115.66-11,150.56

Finding the Fourth Proportional to 19,648.61, 27,115.66 and 11,150.56

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Solution

The fourth proportional to 19,648.61, 27,115.66 and 11,150.56 is: 15,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,648.61 : 27,115.66 = 11,150.56 : x
  2. Step 2: Convert to fraction form
    19,648.61/27,115.66 = 11,150.56/x
  3. Step 3: Cross multiply
    19,648.61x = 27,115.66 × 11,150.56
  4. Step 4: Simplify right side
    19,648.61x = 302,354,841.60
  5. Step 5: Solve for x
    x = 302,354,841.60/19,648.61
  6. Step 6: Final answer
    x = 15,388.10

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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.