Home / 16,778.79-23,138.82-11,026.13

Finding the Fourth Proportional to 16,778.79, 23,138.82 and 11,026.13

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Solution

The fourth proportional to 16,778.79, 23,138.82 and 11,026.13 is: 15,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.79 : 23,138.82 = 11,026.13 : x
  2. Step 2: Convert to fraction form
    16,778.79/23,138.82 = 11,026.13/x
  3. Step 3: Cross multiply
    16,778.79x = 23,138.82 × 11,026.13
  4. Step 4: Simplify right side
    16,778.79x = 255,131,521.67
  5. Step 5: Solve for x
    x = 255,131,521.67/16,778.79
  6. Step 6: Final answer
    x = 15,205.60

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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.