Home / 13,861.77-20,792.69-3,473.55

Finding the Fourth Proportional to 13,861.77, 20,792.69 and 3,473.55

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Solution

The fourth proportional to 13,861.77, 20,792.69 and 3,473.55 is: 5,210.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,861.77 : 20,792.69 = 3,473.55 : x
  2. Step 2: Convert to fraction form
    13,861.77/20,792.69 = 3,473.55/x
  3. Step 3: Cross multiply
    13,861.77x = 20,792.69 × 3,473.55
  4. Step 4: Simplify right side
    13,861.77x = 72,224,430.98
  5. Step 5: Solve for x
    x = 72,224,430.98/13,861.77
  6. Step 6: Final answer
    x = 5,210.33

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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.