Home / 25,795.17-38,640.92-13,457.25

Finding the Fourth Proportional to 25,795.17, 38,640.92 and 13,457.25

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Solution

The fourth proportional to 25,795.17, 38,640.92 and 13,457.25 is: 20,158.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,795.17 : 38,640.92 = 13,457.25 : x
  2. Step 2: Convert to fraction form
    25,795.17/38,640.92 = 13,457.25/x
  3. Step 3: Cross multiply
    25,795.17x = 38,640.92 × 13,457.25
  4. Step 4: Simplify right side
    25,795.17x = 520,000,453.38
  5. Step 5: Solve for x
    x = 520,000,453.38/25,795.17
  6. Step 6: Final answer
    x = 20,158.83

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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.