Home / 16,377.78-22,599.91-9,108.48

Finding the Fourth Proportional to 16,377.78, 22,599.91 and 9,108.48

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Solution

The fourth proportional to 16,377.78, 22,599.91 and 9,108.48 is: 12,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,377.78 : 22,599.91 = 9,108.48 : x
  2. Step 2: Convert to fraction form
    16,377.78/22,599.91 = 9,108.48/x
  3. Step 3: Cross multiply
    16,377.78x = 22,599.91 × 9,108.48
  4. Step 4: Simplify right side
    16,377.78x = 205,850,782.69
  5. Step 5: Solve for x
    x = 205,850,782.69/16,377.78
  6. Step 6: Final answer
    x = 12,568.91

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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.