Home / 22,624.64-31,193.28-16,172

Finding the Fourth Proportional to 22,624.64, 31,193.28 and 16,172

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Solution

The fourth proportional to 22,624.64, 31,193.28 and 16,172 is: 22,296.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,624.64 : 31,193.28 = 16,172 : x
  2. Step 2: Convert to fraction form
    22,624.64/31,193.28 = 16,172/x
  3. Step 3: Cross multiply
    22,624.64x = 31,193.28 × 16,172
  4. Step 4: Simplify right side
    22,624.64x = 504,457,724.16
  5. Step 5: Solve for x
    x = 504,457,724.16/22,624.64
  6. Step 6: Final answer
    x = 22,296.83

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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.