Home / 13,792.24-20,691.60-3,931.66

Finding the Fourth Proportional to 13,792.24, 20,691.60 and 3,931.66

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Solution

The fourth proportional to 13,792.24, 20,691.60 and 3,931.66 is: 5,898.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.24 : 20,691.60 = 3,931.66 : x
  2. Step 2: Convert to fraction form
    13,792.24/20,691.60 = 3,931.66/x
  3. Step 3: Cross multiply
    13,792.24x = 20,691.60 × 3,931.66
  4. Step 4: Simplify right side
    13,792.24x = 81,352,336.06
  5. Step 5: Solve for x
    x = 81,352,336.06/13,792.24
  6. Step 6: Final answer
    x = 5,898.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.