Home / 19,162.14-26,443.49-10,778.64

Finding the Fourth Proportional to 19,162.14, 26,443.49 and 10,778.64

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Solution

The fourth proportional to 19,162.14, 26,443.49 and 10,778.64 is: 14,874.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162.14 : 26,443.49 = 10,778.64 : x
  2. Step 2: Convert to fraction form
    19,162.14/26,443.49 = 10,778.64/x
  3. Step 3: Cross multiply
    19,162.14x = 26,443.49 × 10,778.64
  4. Step 4: Simplify right side
    19,162.14x = 285,024,859.05
  5. Step 5: Solve for x
    x = 285,024,859.05/19,162.14
  6. Step 6: Final answer
    x = 14,874.38

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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.