Home / 14,167.92-21,251.96-5,285.24

Finding the Fourth Proportional to 14,167.92, 21,251.96 and 5,285.24

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Solution

The fourth proportional to 14,167.92, 21,251.96 and 5,285.24 is: 7,927.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.92 : 21,251.96 = 5,285.24 : x
  2. Step 2: Convert to fraction form
    14,167.92/21,251.96 = 5,285.24/x
  3. Step 3: Cross multiply
    14,167.92x = 21,251.96 × 5,285.24
  4. Step 4: Simplify right side
    14,167.92x = 112,321,709.07
  5. Step 5: Solve for x
    x = 112,321,709.07/14,167.92
  6. Step 6: Final answer
    x = 7,927.89

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1.5x scale

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.