Home / 17,119.01-25,678.50-6,447.38

Finding the Fourth Proportional to 17,119.01, 25,678.50 and 6,447.38

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Solution

The fourth proportional to 17,119.01, 25,678.50 and 6,447.38 is: 9,671.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,119.01 : 25,678.50 = 6,447.38 : x
  2. Step 2: Convert to fraction form
    17,119.01/25,678.50 = 6,447.38/x
  3. Step 3: Cross multiply
    17,119.01x = 25,678.50 × 6,447.38
  4. Step 4: Simplify right side
    17,119.01x = 165,558,918.94
  5. Step 5: Solve for x
    x = 165,558,918.94/17,119.01
  6. Step 6: Final answer
    x = 9,671.06

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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.