Home / 25,163.28-37,742.72-8,522.96

Finding the Fourth Proportional to 25,163.28, 37,742.72 and 8,522.96

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Solution

The fourth proportional to 25,163.28, 37,742.72 and 8,522.96 is: 12,783.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,163.28 : 37,742.72 = 8,522.96 : x
  2. Step 2: Convert to fraction form
    25,163.28/37,742.72 = 8,522.96/x
  3. Step 3: Cross multiply
    25,163.28x = 37,742.72 × 8,522.96
  4. Step 4: Simplify right side
    25,163.28x = 321,679,461.52
  5. Step 5: Solve for x
    x = 321,679,461.52/25,163.28
  6. Step 6: Final answer
    x = 12,783.69

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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.