Home / 14,712.43-20,302.30-7,998

Finding the Fourth Proportional to 14,712.43, 20,302.30 and 7,998

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Solution

The fourth proportional to 14,712.43, 20,302.30 and 7,998 is: 11,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.43 : 20,302.30 = 7,998 : x
  2. Step 2: Convert to fraction form
    14,712.43/20,302.30 = 7,998/x
  3. Step 3: Cross multiply
    14,712.43x = 20,302.30 × 7,998
  4. Step 4: Simplify right side
    14,712.43x = 162,377,795.40
  5. Step 5: Solve for x
    x = 162,377,795.40/14,712.43
  6. Step 6: Final answer
    x = 11,036.78

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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.