Home / 12,076.52-18,166.64-10,365.80

Finding the Fourth Proportional to 12,076.52, 18,166.64 and 10,365.80

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Solution

The fourth proportional to 12,076.52, 18,166.64 and 10,365.80 is: 15,593.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.52 : 18,166.64 = 10,365.80 : x
  2. Step 2: Convert to fraction form
    12,076.52/18,166.64 = 10,365.80/x
  3. Step 3: Cross multiply
    12,076.52x = 18,166.64 × 10,365.80
  4. Step 4: Simplify right side
    12,076.52x = 188,311,756.91
  5. Step 5: Solve for x
    x = 188,311,756.91/12,076.52
  6. Step 6: Final answer
    x = 15,593.21

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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.