Home / 20,746.53-28,629.18-11,793.87

Finding the Fourth Proportional to 20,746.53, 28,629.18 and 11,793.87

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Solution

The fourth proportional to 20,746.53, 28,629.18 and 11,793.87 is: 16,274.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,746.53 : 28,629.18 = 11,793.87 : x
  2. Step 2: Convert to fraction form
    20,746.53/28,629.18 = 11,793.87/x
  3. Step 3: Cross multiply
    20,746.53x = 28,629.18 × 11,793.87
  4. Step 4: Simplify right side
    20,746.53x = 337,648,827.13
  5. Step 5: Solve for x
    x = 337,648,827.13/20,746.53
  6. Step 6: Final answer
    x = 16,274.95

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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.