Home / 12,201.99-16,826.18-10,439.43

Finding the Fourth Proportional to 12,201.99, 16,826.18 and 10,439.43

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Solution

The fourth proportional to 12,201.99, 16,826.18 and 10,439.43 is: 14,395.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201.99 : 16,826.18 = 10,439.43 : x
  2. Step 2: Convert to fraction form
    12,201.99/16,826.18 = 10,439.43/x
  3. Step 3: Cross multiply
    12,201.99x = 16,826.18 × 10,439.43
  4. Step 4: Simplify right side
    12,201.99x = 175,655,676.08
  5. Step 5: Solve for x
    x = 175,655,676.08/12,201.99
  6. Step 6: Final answer
    x = 14,395.66

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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.