Home / 26,553.56-39,854.91-13,415.12

Finding the Fourth Proportional to 26,553.56, 39,854.91 and 13,415.12

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Solution

The fourth proportional to 26,553.56, 39,854.91 and 13,415.12 is: 20,135.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,553.56 : 39,854.91 = 13,415.12 : x
  2. Step 2: Convert to fraction form
    26,553.56/39,854.91 = 13,415.12/x
  3. Step 3: Cross multiply
    26,553.56x = 39,854.91 × 13,415.12
  4. Step 4: Simplify right side
    26,553.56x = 534,658,400.24
  5. Step 5: Solve for x
    x = 534,658,400.24/26,553.56
  6. Step 6: Final answer
    x = 20,135.09

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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.