Home / 26,338.96-39,485.22-13,172.68

Finding the Fourth Proportional to 26,338.96, 39,485.22 and 13,172.68

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Solution

The fourth proportional to 26,338.96, 39,485.22 and 13,172.68 is: 19,747.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,338.96 : 39,485.22 = 13,172.68 : x
  2. Step 2: Convert to fraction form
    26,338.96/39,485.22 = 13,172.68/x
  3. Step 3: Cross multiply
    26,338.96x = 39,485.22 × 13,172.68
  4. Step 4: Simplify right side
    26,338.96x = 520,126,167.79
  5. Step 5: Solve for x
    x = 520,126,167.79/26,338.96
  6. Step 6: Final answer
    x = 19,747.41

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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.