Home / 13,626.42-20,431.98-4,737.66

Finding the Fourth Proportional to 13,626.42, 20,431.98 and 4,737.66

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Solution

The fourth proportional to 13,626.42, 20,431.98 and 4,737.66 is: 7,103.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626.42 : 20,431.98 = 4,737.66 : x
  2. Step 2: Convert to fraction form
    13,626.42/20,431.98 = 4,737.66/x
  3. Step 3: Cross multiply
    13,626.42x = 20,431.98 × 4,737.66
  4. Step 4: Simplify right side
    13,626.42x = 96,799,774.37
  5. Step 5: Solve for x
    x = 96,799,774.37/13,626.42
  6. Step 6: Final answer
    x = 7,103.83

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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.