Home / 18,446.43-25,455.96-10,488.66

Finding the Fourth Proportional to 18,446.43, 25,455.96 and 10,488.66

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Solution

The fourth proportional to 18,446.43, 25,455.96 and 10,488.66 is: 14,474.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.43 : 25,455.96 = 10,488.66 : x
  2. Step 2: Convert to fraction form
    18,446.43/25,455.96 = 10,488.66/x
  3. Step 3: Cross multiply
    18,446.43x = 25,455.96 × 10,488.66
  4. Step 4: Simplify right side
    18,446.43x = 266,998,784.45
  5. Step 5: Solve for x
    x = 266,998,784.45/18,446.43
  6. Step 6: Final answer
    x = 14,474.28

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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.