Home / 19,759.39-29,612.44-18,498.22

Finding the Fourth Proportional to 19,759.39, 29,612.44 and 18,498.22

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Solution

The fourth proportional to 19,759.39, 29,612.44 and 18,498.22 is: 27,722.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.39 : 29,612.44 = 18,498.22 : x
  2. Step 2: Convert to fraction form
    19,759.39/29,612.44 = 18,498.22/x
  3. Step 3: Cross multiply
    19,759.39x = 29,612.44 × 18,498.22
  4. Step 4: Simplify right side
    19,759.39x = 547,777,441.47
  5. Step 5: Solve for x
    x = 547,777,441.47/19,759.39
  6. Step 6: Final answer
    x = 27,722.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.