Home / 26,759.56-40,139.36-11,168.68

Finding the Fourth Proportional to 26,759.56, 40,139.36 and 11,168.68

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Solution

The fourth proportional to 26,759.56, 40,139.36 and 11,168.68 is: 16,753.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,759.56 : 40,139.36 = 11,168.68 : x
  2. Step 2: Convert to fraction form
    26,759.56/40,139.36 = 11,168.68/x
  3. Step 3: Cross multiply
    26,759.56x = 40,139.36 × 11,168.68
  4. Step 4: Simplify right side
    26,759.56x = 448,303,667.24
  5. Step 5: Solve for x
    x = 448,303,667.24/26,759.56
  6. Step 6: Final answer
    x = 16,753.03

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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.