Home / 26,865.45-40,287.72-9,091.35

Finding the Fourth Proportional to 26,865.45, 40,287.72 and 9,091.35

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Solution

The fourth proportional to 26,865.45, 40,287.72 and 9,091.35 is: 13,633.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,865.45 : 40,287.72 = 9,091.35 : x
  2. Step 2: Convert to fraction form
    26,865.45/40,287.72 = 9,091.35/x
  3. Step 3: Cross multiply
    26,865.45x = 40,287.72 × 9,091.35
  4. Step 4: Simplify right side
    26,865.45x = 366,269,763.22
  5. Step 5: Solve for x
    x = 366,269,763.22/26,865.45
  6. Step 6: Final answer
    x = 13,633.49

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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.