Home / 16,467.91-22,606.80-15,139.31

Finding the Fourth Proportional to 16,467.91, 22,606.80 and 15,139.31

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Solution

The fourth proportional to 16,467.91, 22,606.80 and 15,139.31 is: 20,782.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,467.91 : 22,606.80 = 15,139.31 : x
  2. Step 2: Convert to fraction form
    16,467.91/22,606.80 = 15,139.31/x
  3. Step 3: Cross multiply
    16,467.91x = 22,606.80 × 15,139.31
  4. Step 4: Simplify right side
    16,467.91x = 342,251,183.50
  5. Step 5: Solve for x
    x = 342,251,183.50/16,467.91
  6. Step 6: Final answer
    x = 20,782.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.