Home / 19,127.76-26,400.24-12,049.44

Finding the Fourth Proportional to 19,127.76, 26,400.24 and 12,049.44

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Solution

The fourth proportional to 19,127.76, 26,400.24 and 12,049.44 is: 16,630.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.76 : 26,400.24 = 12,049.44 : x
  2. Step 2: Convert to fraction form
    19,127.76/26,400.24 = 12,049.44/x
  3. Step 3: Cross multiply
    19,127.76x = 26,400.24 × 12,049.44
  4. Step 4: Simplify right side
    19,127.76x = 318,108,107.87
  5. Step 5: Solve for x
    x = 318,108,107.87/19,127.76
  6. Step 6: Final answer
    x = 16,630.70

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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.