Home / 26,845.96-40,268.94-9,315.80

Finding the Fourth Proportional to 26,845.96, 40,268.94 and 9,315.80

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Solution

The fourth proportional to 26,845.96, 40,268.94 and 9,315.80 is: 13,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,845.96 : 40,268.94 = 9,315.80 : x
  2. Step 2: Convert to fraction form
    26,845.96/40,268.94 = 9,315.80/x
  3. Step 3: Cross multiply
    26,845.96x = 40,268.94 × 9,315.80
  4. Step 4: Simplify right side
    26,845.96x = 375,137,391.25
  5. Step 5: Solve for x
    x = 375,137,391.25/26,845.96
  6. Step 6: Final answer
    x = 13,973.70

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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.