Home / 19,619.42-27,074.82-11,235.92

Finding the Fourth Proportional to 19,619.42, 27,074.82 and 11,235.92

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Solution

The fourth proportional to 19,619.42, 27,074.82 and 11,235.92 is: 15,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.42 : 27,074.82 = 11,235.92 : x
  2. Step 2: Convert to fraction form
    19,619.42/27,074.82 = 11,235.92/x
  3. Step 3: Cross multiply
    19,619.42x = 27,074.82 × 11,235.92
  4. Step 4: Simplify right side
    19,619.42x = 304,210,511.53
  5. Step 5: Solve for x
    x = 304,210,511.53/19,619.42
  6. Step 6: Final answer
    x = 15,505.58

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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.