Home / 13,825.16-20,737.72-3,436.91

Finding the Fourth Proportional to 13,825.16, 20,737.72 and 3,436.91

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Solution

The fourth proportional to 13,825.16, 20,737.72 and 3,436.91 is: 5,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.16 : 20,737.72 = 3,436.91 : x
  2. Step 2: Convert to fraction form
    13,825.16/20,737.72 = 3,436.91/x
  3. Step 3: Cross multiply
    13,825.16x = 20,737.72 × 3,436.91
  4. Step 4: Simplify right side
    13,825.16x = 71,273,564.96
  5. Step 5: Solve for x
    x = 71,273,564.96/13,825.16
  6. Step 6: Final answer
    x = 5,155.35

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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.