Home / 19,705.68-27,194.15-11,207.58

Finding the Fourth Proportional to 19,705.68, 27,194.15 and 11,207.58

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Solution

The fourth proportional to 19,705.68, 27,194.15 and 11,207.58 is: 15,466.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,705.68 : 27,194.15 = 11,207.58 : x
  2. Step 2: Convert to fraction form
    19,705.68/27,194.15 = 11,207.58/x
  3. Step 3: Cross multiply
    19,705.68x = 27,194.15 × 11,207.58
  4. Step 4: Simplify right side
    19,705.68x = 304,780,555.62
  5. Step 5: Solve for x
    x = 304,780,555.62/19,705.68
  6. Step 6: Final answer
    x = 15,466.63

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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.