Home / 17,733.78-26,600.70-5,421.78

Finding the Fourth Proportional to 17,733.78, 26,600.70 and 5,421.78

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Solution

The fourth proportional to 17,733.78, 26,600.70 and 5,421.78 is: 8,132.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,733.78 : 26,600.70 = 5,421.78 : x
  2. Step 2: Convert to fraction form
    17,733.78/26,600.70 = 5,421.78/x
  3. Step 3: Cross multiply
    17,733.78x = 26,600.70 × 5,421.78
  4. Step 4: Simplify right side
    17,733.78x = 144,223,143.25
  5. Step 5: Solve for x
    x = 144,223,143.25/17,733.78
  6. Step 6: Final answer
    x = 8,132.68

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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.