Home / 26,100.57-39,161.80-18,763.19

Finding the Fourth Proportional to 26,100.57, 39,161.80 and 18,763.19

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Solution

The fourth proportional to 26,100.57, 39,161.80 and 18,763.19 is: 28,152.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,100.57 : 39,161.80 = 18,763.19 : x
  2. Step 2: Convert to fraction form
    26,100.57/39,161.80 = 18,763.19/x
  3. Step 3: Cross multiply
    26,100.57x = 39,161.80 × 18,763.19
  4. Step 4: Simplify right side
    26,100.57x = 734,800,268.64
  5. Step 5: Solve for x
    x = 734,800,268.64/26,100.57
  6. Step 6: Final answer
    x = 28,152.65

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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.