Home / 13,207.41-19,828.72-7,664.73

Finding the Fourth Proportional to 13,207.41, 19,828.72 and 7,664.73

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Solution

The fourth proportional to 13,207.41, 19,828.72 and 7,664.73 is: 11,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.41 : 19,828.72 = 7,664.73 : x
  2. Step 2: Convert to fraction form
    13,207.41/19,828.72 = 7,664.73/x
  3. Step 3: Cross multiply
    13,207.41x = 19,828.72 × 7,664.73
  4. Step 4: Simplify right side
    13,207.41x = 151,981,844.46
  5. Step 5: Solve for x
    x = 151,981,844.46/13,207.41
  6. Step 6: Final answer
    x = 11,507.31

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1.5x scale

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.