Home / 26,991.51-40,513.19-13,150.23

Finding the Fourth Proportional to 26,991.51, 40,513.19 and 13,150.23

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Solution

The fourth proportional to 26,991.51, 40,513.19 and 13,150.23 is: 19,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,991.51 : 40,513.19 = 13,150.23 : x
  2. Step 2: Convert to fraction form
    26,991.51/40,513.19 = 13,150.23/x
  3. Step 3: Cross multiply
    26,991.51x = 40,513.19 × 13,150.23
  4. Step 4: Simplify right side
    26,991.51x = 532,757,766.53
  5. Step 5: Solve for x
    x = 532,757,766.53/26,991.51
  6. Step 6: Final answer
    x = 19,737.98

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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.