Home / 18,983.58-26,199.12-14,195.22

Finding the Fourth Proportional to 18,983.58, 26,199.12 and 14,195.22

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Solution

The fourth proportional to 18,983.58, 26,199.12 and 14,195.22 is: 19,590.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,983.58 : 26,199.12 = 14,195.22 : x
  2. Step 2: Convert to fraction form
    18,983.58/26,199.12 = 14,195.22/x
  3. Step 3: Cross multiply
    18,983.58x = 26,199.12 × 14,195.22
  4. Step 4: Simplify right side
    18,983.58x = 371,902,272.21
  5. Step 5: Solve for x
    x = 371,902,272.21/18,983.58
  6. Step 6: Final answer
    x = 19,590.73

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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.