Home / 14,160.96-21,236.58-5,398.44

Finding the Fourth Proportional to 14,160.96, 21,236.58 and 5,398.44

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Solution

The fourth proportional to 14,160.96, 21,236.58 and 5,398.44 is: 8,095.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.96 : 21,236.58 = 5,398.44 : x
  2. Step 2: Convert to fraction form
    14,160.96/21,236.58 = 5,398.44/x
  3. Step 3: Cross multiply
    14,160.96x = 21,236.58 × 5,398.44
  4. Step 4: Simplify right side
    14,160.96x = 114,644,402.94
  5. Step 5: Solve for x
    x = 114,644,402.94/14,160.96
  6. Step 6: Final answer
    x = 8,095.81

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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.