Home / 14,318.70-19,778.73-11,936.46

Finding the Fourth Proportional to 14,318.70, 19,778.73 and 11,936.46

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Solution

The fourth proportional to 14,318.70, 19,778.73 and 11,936.46 is: 16,488.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.70 : 19,778.73 = 11,936.46 : x
  2. Step 2: Convert to fraction form
    14,318.70/19,778.73 = 11,936.46/x
  3. Step 3: Cross multiply
    14,318.70x = 19,778.73 × 11,936.46
  4. Step 4: Simplify right side
    14,318.70x = 236,088,019.50
  5. Step 5: Solve for x
    x = 236,088,019.50/14,318.70
  6. Step 6: Final answer
    x = 16,488.09

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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.