Home / 15,741.37-23,614.57-5,211.78

Finding the Fourth Proportional to 15,741.37, 23,614.57 and 5,211.78

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Solution

The fourth proportional to 15,741.37, 23,614.57 and 5,211.78 is: 7,818.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,741.37 : 23,614.57 = 5,211.78 : x
  2. Step 2: Convert to fraction form
    15,741.37/23,614.57 = 5,211.78/x
  3. Step 3: Cross multiply
    15,741.37x = 23,614.57 × 5,211.78
  4. Step 4: Simplify right side
    15,741.37x = 123,073,861.59
  5. Step 5: Solve for x
    x = 123,073,861.59/15,741.37
  6. Step 6: Final answer
    x = 7,818.50

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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.