Home / 13,829.48-19,085.46-7,542.44

Finding the Fourth Proportional to 13,829.48, 19,085.46 and 7,542.44

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Solution

The fourth proportional to 13,829.48, 19,085.46 and 7,542.44 is: 10,408.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.48 : 19,085.46 = 7,542.44 : x
  2. Step 2: Convert to fraction form
    13,829.48/19,085.46 = 7,542.44/x
  3. Step 3: Cross multiply
    13,829.48x = 19,085.46 × 7,542.44
  4. Step 4: Simplify right side
    13,829.48x = 143,950,936.92
  5. Step 5: Solve for x
    x = 143,950,936.92/13,829.48
  6. Step 6: Final answer
    x = 10,408.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.