Home / 14,306.04-21,456.60-3,917.76

Finding the Fourth Proportional to 14,306.04, 21,456.60 and 3,917.76

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Solution

The fourth proportional to 14,306.04, 21,456.60 and 3,917.76 is: 5,875.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,306.04 : 21,456.60 = 3,917.76 : x
  2. Step 2: Convert to fraction form
    14,306.04/21,456.60 = 3,917.76/x
  3. Step 3: Cross multiply
    14,306.04x = 21,456.60 × 3,917.76
  4. Step 4: Simplify right side
    14,306.04x = 84,061,809.22
  5. Step 5: Solve for x
    x = 84,061,809.22/14,306.04
  6. Step 6: Final answer
    x = 5,875.97

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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.