Home / 17,755.43-26,630.78-5,275.22

Finding the Fourth Proportional to 17,755.43, 26,630.78 and 5,275.22

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Solution

The fourth proportional to 17,755.43, 26,630.78 and 5,275.22 is: 7,912.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,755.43 : 26,630.78 = 5,275.22 : x
  2. Step 2: Convert to fraction form
    17,755.43/26,630.78 = 5,275.22/x
  3. Step 3: Cross multiply
    17,755.43x = 26,630.78 × 5,275.22
  4. Step 4: Simplify right side
    17,755.43x = 140,483,223.27
  5. Step 5: Solve for x
    x = 140,483,223.27/17,755.43
  6. Step 6: Final answer
    x = 7,912.13

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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.