Home / 15,439.70-23,143.94-6,086.32

Finding the Fourth Proportional to 15,439.70, 23,143.94 and 6,086.32

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Solution

The fourth proportional to 15,439.70, 23,143.94 and 6,086.32 is: 9,123.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.70 : 23,143.94 = 6,086.32 : x
  2. Step 2: Convert to fraction form
    15,439.70/23,143.94 = 6,086.32/x
  3. Step 3: Cross multiply
    15,439.70x = 23,143.94 × 6,086.32
  4. Step 4: Simplify right side
    15,439.70x = 140,861,424.90
  5. Step 5: Solve for x
    x = 140,861,424.90/15,439.70
  6. Step 6: Final answer
    x = 9,123.33

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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.