Home / 14,455.45-21,687.54-6,862.56

Finding the Fourth Proportional to 14,455.45, 21,687.54 and 6,862.56

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Solution

The fourth proportional to 14,455.45, 21,687.54 and 6,862.56 is: 10,295.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.45 : 21,687.54 = 6,862.56 : x
  2. Step 2: Convert to fraction form
    14,455.45/21,687.54 = 6,862.56/x
  3. Step 3: Cross multiply
    14,455.45x = 21,687.54 × 6,862.56
  4. Step 4: Simplify right side
    14,455.45x = 148,832,044.50
  5. Step 5: Solve for x
    x = 148,832,044.50/14,455.45
  6. Step 6: Final answer
    x = 10,295.91

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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.