Home / 14,936.17-20,610.70-8,220.73

Finding the Fourth Proportional to 14,936.17, 20,610.70 and 8,220.73

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Solution

The fourth proportional to 14,936.17, 20,610.70 and 8,220.73 is: 11,343.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,936.17 : 20,610.70 = 8,220.73 : x
  2. Step 2: Convert to fraction form
    14,936.17/20,610.70 = 8,220.73/x
  3. Step 3: Cross multiply
    14,936.17x = 20,610.70 × 8,220.73
  4. Step 4: Simplify right side
    14,936.17x = 169,434,999.81
  5. Step 5: Solve for x
    x = 169,434,999.81/14,936.17
  6. Step 6: Final answer
    x = 11,343.94

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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.