Home / 18,748.26-28,126.43-5,601.70

Finding the Fourth Proportional to 18,748.26, 28,126.43 and 5,601.70

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Solution

The fourth proportional to 18,748.26, 28,126.43 and 5,601.70 is: 8,403.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.26 : 28,126.43 = 5,601.70 : x
  2. Step 2: Convert to fraction form
    18,748.26/28,126.43 = 5,601.70/x
  3. Step 3: Cross multiply
    18,748.26x = 28,126.43 × 5,601.70
  4. Step 4: Simplify right side
    18,748.26x = 157,555,822.93
  5. Step 5: Solve for x
    x = 157,555,822.93/18,748.26
  6. Step 6: Final answer
    x = 8,403.76

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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.