Home / 15,861.36-23,792.62-5,331.74

Finding the Fourth Proportional to 15,861.36, 23,792.62 and 5,331.74

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Solution

The fourth proportional to 15,861.36, 23,792.62 and 5,331.74 is: 7,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,861.36 : 23,792.62 = 5,331.74 : x
  2. Step 2: Convert to fraction form
    15,861.36/23,792.62 = 5,331.74/x
  3. Step 3: Cross multiply
    15,861.36x = 23,792.62 × 5,331.74
  4. Step 4: Simplify right side
    15,861.36x = 126,856,075.30
  5. Step 5: Solve for x
    x = 126,856,075.30/15,861.36
  6. Step 6: Final answer
    x = 7,997.81

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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.