Home / 15,912.28-23,866.55-4,226.40

Finding the Fourth Proportional to 15,912.28, 23,866.55 and 4,226.40

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Solution

The fourth proportional to 15,912.28, 23,866.55 and 4,226.40 is: 6,339.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,912.28 : 23,866.55 = 4,226.40 : x
  2. Step 2: Convert to fraction form
    15,912.28/23,866.55 = 4,226.40/x
  3. Step 3: Cross multiply
    15,912.28x = 23,866.55 × 4,226.40
  4. Step 4: Simplify right side
    15,912.28x = 100,869,586.92
  5. Step 5: Solve for x
    x = 100,869,586.92/15,912.28
  6. Step 6: Final answer
    x = 6,339.10

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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.