Home / 19,351.86-26,691.36-12,174.84

Finding the Fourth Proportional to 19,351.86, 26,691.36 and 12,174.84

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Solution

The fourth proportional to 19,351.86, 26,691.36 and 12,174.84 is: 16,792.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.86 : 26,691.36 = 12,174.84 : x
  2. Step 2: Convert to fraction form
    19,351.86/26,691.36 = 12,174.84/x
  3. Step 3: Cross multiply
    19,351.86x = 26,691.36 × 12,174.84
  4. Step 4: Simplify right side
    19,351.86x = 324,963,037.38
  5. Step 5: Solve for x
    x = 324,963,037.38/19,351.86
  6. Step 6: Final answer
    x = 16,792.34

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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.