Home / 12,043.41-18,037.56-10,135.05

Finding the Fourth Proportional to 12,043.41, 18,037.56 and 10,135.05

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Solution

The fourth proportional to 12,043.41, 18,037.56 and 10,135.05 is: 15,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043.41 : 18,037.56 = 10,135.05 : x
  2. Step 2: Convert to fraction form
    12,043.41/18,037.56 = 10,135.05/x
  3. Step 3: Cross multiply
    12,043.41x = 18,037.56 × 10,135.05
  4. Step 4: Simplify right side
    12,043.41x = 182,811,572.48
  5. Step 5: Solve for x
    x = 182,811,572.48/12,043.41
  6. Step 6: Final answer
    x = 15,179.39

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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.