Home / 17,722.21-26,588.78-6,630.02

Finding the Fourth Proportional to 17,722.21, 26,588.78 and 6,630.02

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Solution

The fourth proportional to 17,722.21, 26,588.78 and 6,630.02 is: 9,947.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,722.21 : 26,588.78 = 6,630.02 : x
  2. Step 2: Convert to fraction form
    17,722.21/26,588.78 = 6,630.02/x
  3. Step 3: Cross multiply
    17,722.21x = 26,588.78 × 6,630.02
  4. Step 4: Simplify right side
    17,722.21x = 176,284,143.18
  5. Step 5: Solve for x
    x = 176,284,143.18/17,722.21
  6. Step 6: Final answer
    x = 9,947.07

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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.