Home / 18,889.92-26,058.24-12,173.76

Finding the Fourth Proportional to 18,889.92, 26,058.24 and 12,173.76

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Solution

The fourth proportional to 18,889.92, 26,058.24 and 12,173.76 is: 16,793.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,889.92 : 26,058.24 = 12,173.76 : x
  2. Step 2: Convert to fraction form
    18,889.92/26,058.24 = 12,173.76/x
  3. Step 3: Cross multiply
    18,889.92x = 26,058.24 × 12,173.76
  4. Step 4: Simplify right side
    18,889.92x = 317,226,759.78
  5. Step 5: Solve for x
    x = 317,226,759.78/18,889.92
  6. Step 6: Final answer
    x = 16,793.44

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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.