Home / 14,936.72-20,610.64-8,562.56

Finding the Fourth Proportional to 14,936.72, 20,610.64 and 8,562.56

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Solution

The fourth proportional to 14,936.72, 20,610.64 and 8,562.56 is: 11,815.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,936.72 : 20,610.64 = 8,562.56 : x
  2. Step 2: Convert to fraction form
    14,936.72/20,610.64 = 8,562.56/x
  3. Step 3: Cross multiply
    14,936.72x = 20,610.64 × 8,562.56
  4. Step 4: Simplify right side
    14,936.72x = 176,479,841.64
  5. Step 5: Solve for x
    x = 176,479,841.64/14,936.72
  6. Step 6: Final answer
    x = 11,815.17

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1.5x scale

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.