Home / 26,543.09-39,839.24-13,404.69

Finding the Fourth Proportional to 26,543.09, 39,839.24 and 13,404.69

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Solution

The fourth proportional to 26,543.09, 39,839.24 and 13,404.69 is: 20,119.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,543.09 : 39,839.24 = 13,404.69 : x
  2. Step 2: Convert to fraction form
    26,543.09/39,839.24 = 13,404.69/x
  3. Step 3: Cross multiply
    26,543.09x = 39,839.24 × 13,404.69
  4. Step 4: Simplify right side
    26,543.09x = 534,032,695.55
  5. Step 5: Solve for x
    x = 534,032,695.55/26,543.09
  6. Step 6: Final answer
    x = 20,119.46

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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.