Home / 15,153.74-22,650.82-13,163.60

Finding the Fourth Proportional to 15,153.74, 22,650.82 and 13,163.60

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Solution

The fourth proportional to 15,153.74, 22,650.82 and 13,163.60 is: 19,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,153.74 : 22,650.82 = 13,163.60 : x
  2. Step 2: Convert to fraction form
    15,153.74/22,650.82 = 13,163.60/x
  3. Step 3: Cross multiply
    15,153.74x = 22,650.82 × 13,163.60
  4. Step 4: Simplify right side
    15,153.74x = 298,166,334.15
  5. Step 5: Solve for x
    x = 298,166,334.15/15,153.74
  6. Step 6: Final answer
    x = 19,676.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.