Home / 26,190.88-36,155.78-16,764.91

Finding the Fourth Proportional to 26,190.88, 36,155.78 and 16,764.91

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Solution

The fourth proportional to 26,190.88, 36,155.78 and 16,764.91 is: 23,143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190.88 : 36,155.78 = 16,764.91 : x
  2. Step 2: Convert to fraction form
    26,190.88/36,155.78 = 16,764.91/x
  3. Step 3: Cross multiply
    26,190.88x = 36,155.78 × 16,764.91
  4. Step 4: Simplify right side
    26,190.88x = 606,148,397.68
  5. Step 5: Solve for x
    x = 606,148,397.68/26,190.88
  6. Step 6: Final answer
    x = 23,143.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.