Home / 19,618.83-27,074.66-11,120.85

Finding the Fourth Proportional to 19,618.83, 27,074.66 and 11,120.85

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Solution

The fourth proportional to 19,618.83, 27,074.66 and 11,120.85 is: 15,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.83 : 27,074.66 = 11,120.85 : x
  2. Step 2: Convert to fraction form
    19,618.83/27,074.66 = 11,120.85/x
  3. Step 3: Cross multiply
    19,618.83x = 27,074.66 × 11,120.85
  4. Step 4: Simplify right side
    19,618.83x = 301,093,232.66
  5. Step 5: Solve for x
    x = 301,093,232.66/19,618.83
  6. Step 6: Final answer
    x = 15,347.16

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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.