Home / 26,190-36,145.85-16,778.61

Finding the Fourth Proportional to 26,190, 36,145.85 and 16,778.61

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Solution

The fourth proportional to 26,190, 36,145.85 and 16,778.61 is: 23,156.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190 : 36,145.85 = 16,778.61 : x
  2. Step 2: Convert to fraction form
    26,190/36,145.85 = 16,778.61/x
  3. Step 3: Cross multiply
    26,190x = 36,145.85 × 16,778.61
  4. Step 4: Simplify right side
    26,190x = 606,477,036.38
  5. Step 5: Solve for x
    x = 606,477,036.38/26,190
  6. Step 6: Final answer
    x = 23,156.82

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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.