Home / 26,542.53-39,838.41-13,404.12

Finding the Fourth Proportional to 26,542.53, 39,838.41 and 13,404.12

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Solution

The fourth proportional to 26,542.53, 39,838.41 and 13,404.12 is: 20,118.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,542.53 : 39,838.41 = 13,404.12 : x
  2. Step 2: Convert to fraction form
    26,542.53/39,838.41 = 13,404.12/x
  3. Step 3: Cross multiply
    26,542.53x = 39,838.41 × 13,404.12
  4. Step 4: Simplify right side
    26,542.53x = 533,998,828.25
  5. Step 5: Solve for x
    x = 533,998,828.25/26,542.53
  6. Step 6: Final answer
    x = 20,118.61

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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.