Home / 16,734.77-23,049.64-12,472.20

Finding the Fourth Proportional to 16,734.77, 23,049.64 and 12,472.20

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Solution

The fourth proportional to 16,734.77, 23,049.64 and 12,472.20 is: 17,178.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,734.77 : 23,049.64 = 12,472.20 : x
  2. Step 2: Convert to fraction form
    16,734.77/23,049.64 = 12,472.20/x
  3. Step 3: Cross multiply
    16,734.77x = 23,049.64 × 12,472.20
  4. Step 4: Simplify right side
    16,734.77x = 287,479,604.76
  5. Step 5: Solve for x
    x = 287,479,604.76/16,734.77
  6. Step 6: Final answer
    x = 17,178.58

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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.