Home / 13,694.32-20,545.60-5,792.77

Finding the Fourth Proportional to 13,694.32, 20,545.60 and 5,792.77

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Solution

The fourth proportional to 13,694.32, 20,545.60 and 5,792.77 is: 8,690.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.32 : 20,545.60 = 5,792.77 : x
  2. Step 2: Convert to fraction form
    13,694.32/20,545.60 = 5,792.77/x
  3. Step 3: Cross multiply
    13,694.32x = 20,545.60 × 5,792.77
  4. Step 4: Simplify right side
    13,694.32x = 119,015,841.80
  5. Step 5: Solve for x
    x = 119,015,841.80/13,694.32
  6. Step 6: Final answer
    x = 8,690.89

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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.