Home / 18,451.31-25,463.90-13,967.96

Finding the Fourth Proportional to 18,451.31, 25,463.90 and 13,967.96

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Solution

The fourth proportional to 18,451.31, 25,463.90 and 13,967.96 is: 19,276.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.31 : 25,463.90 = 13,967.96 : x
  2. Step 2: Convert to fraction form
    18,451.31/25,463.90 = 13,967.96/x
  3. Step 3: Cross multiply
    18,451.31x = 25,463.90 × 13,967.96
  4. Step 4: Simplify right side
    18,451.31x = 355,678,644.24
  5. Step 5: Solve for x
    x = 355,678,644.24/18,451.31
  6. Step 6: Final answer
    x = 19,276.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.