Home / 13,921.05-19,211.01-7,633.83

Finding the Fourth Proportional to 13,921.05, 19,211.01 and 7,633.83

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Solution

The fourth proportional to 13,921.05, 19,211.01 and 7,633.83 is: 10,534.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,921.05 : 19,211.01 = 7,633.83 : x
  2. Step 2: Convert to fraction form
    13,921.05/19,211.01 = 7,633.83/x
  3. Step 3: Cross multiply
    13,921.05x = 19,211.01 × 7,633.83
  4. Step 4: Simplify right side
    13,921.05x = 146,653,584.47
  5. Step 5: Solve for x
    x = 146,653,584.47/13,921.05
  6. Step 6: Final answer
    x = 10,534.66

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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.