Home / 14,174.92-21,264.54-6,385.96

Finding the Fourth Proportional to 14,174.92, 21,264.54 and 6,385.96

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Solution

The fourth proportional to 14,174.92, 21,264.54 and 6,385.96 is: 9,579.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,174.92 : 21,264.54 = 6,385.96 : x
  2. Step 2: Convert to fraction form
    14,174.92/21,264.54 = 6,385.96/x
  3. Step 3: Cross multiply
    14,174.92x = 21,264.54 × 6,385.96
  4. Step 4: Simplify right side
    14,174.92x = 135,794,501.86
  5. Step 5: Solve for x
    x = 135,794,501.86/14,174.92
  6. Step 6: Final answer
    x = 9,579.91

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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.