Home / 26,840.57-40,268.14-9,311.76

Finding the Fourth Proportional to 26,840.57, 40,268.14 and 9,311.76

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Solution

The fourth proportional to 26,840.57, 40,268.14 and 9,311.76 is: 13,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,840.57 : 40,268.14 = 9,311.76 : x
  2. Step 2: Convert to fraction form
    26,840.57/40,268.14 = 9,311.76/x
  3. Step 3: Cross multiply
    26,840.57x = 40,268.14 × 9,311.76
  4. Step 4: Simplify right side
    26,840.57x = 374,967,232.05
  5. Step 5: Solve for x
    x = 374,967,232.05/26,840.57
  6. Step 6: Final answer
    x = 13,970.17

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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.