Home / 16,913.82-23,341.11-9,360.70

Finding the Fourth Proportional to 16,913.82, 23,341.11 and 9,360.70

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Solution

The fourth proportional to 16,913.82, 23,341.11 and 9,360.70 is: 12,917.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.82 : 23,341.11 = 9,360.70 : x
  2. Step 2: Convert to fraction form
    16,913.82/23,341.11 = 9,360.70/x
  3. Step 3: Cross multiply
    16,913.82x = 23,341.11 × 9,360.70
  4. Step 4: Simplify right side
    16,913.82x = 218,489,128.38
  5. Step 5: Solve for x
    x = 218,489,128.38/16,913.82
  6. Step 6: Final answer
    x = 12,917.79

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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.