Home / 26,270.55-39,372.89-13,126.68

Finding the Fourth Proportional to 26,270.55, 39,372.89 and 13,126.68

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Solution

The fourth proportional to 26,270.55, 39,372.89 and 13,126.68 is: 19,673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,270.55 : 39,372.89 = 13,126.68 : x
  2. Step 2: Convert to fraction form
    26,270.55/39,372.89 = 13,126.68/x
  3. Step 3: Cross multiply
    26,270.55x = 39,372.89 × 13,126.68
  4. Step 4: Simplify right side
    26,270.55x = 516,835,262.07
  5. Step 5: Solve for x
    x = 516,835,262.07/26,270.55
  6. Step 6: Final answer
    x = 19,673.56

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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.