Home / 13,825.17-20,737.83-3,436.92

Finding the Fourth Proportional to 13,825.17, 20,737.83 and 3,436.92

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Solution

The fourth proportional to 13,825.17, 20,737.83 and 3,436.92 is: 5,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.17 : 20,737.83 = 3,436.92 : x
  2. Step 2: Convert to fraction form
    13,825.17/20,737.83 = 3,436.92/x
  3. Step 3: Cross multiply
    13,825.17x = 20,737.83 × 3,436.92
  4. Step 4: Simplify right side
    13,825.17x = 71,274,353.34
  5. Step 5: Solve for x
    x = 71,274,353.34/13,825.17
  6. Step 6: Final answer
    x = 5,155.40

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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.