Home / 17,378.35-26,047.37-7,998.68

Finding the Fourth Proportional to 17,378.35, 26,047.37 and 7,998.68

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Solution

The fourth proportional to 17,378.35, 26,047.37 and 7,998.68 is: 11,988.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,378.35 : 26,047.37 = 7,998.68 : x
  2. Step 2: Convert to fraction form
    17,378.35/26,047.37 = 7,998.68/x
  3. Step 3: Cross multiply
    17,378.35x = 26,047.37 × 7,998.68
  4. Step 4: Simplify right side
    17,378.35x = 208,344,662.59
  5. Step 5: Solve for x
    x = 208,344,662.59/17,378.35
  6. Step 6: Final answer
    x = 11,988.75

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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.