Home / 19,161.96-26,439.52-11,202.64

Finding the Fourth Proportional to 19,161.96, 26,439.52 and 11,202.64

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Solution

The fourth proportional to 19,161.96, 26,439.52 and 11,202.64 is: 15,457.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.96 : 26,439.52 = 11,202.64 : x
  2. Step 2: Convert to fraction form
    19,161.96/26,439.52 = 11,202.64/x
  3. Step 3: Cross multiply
    19,161.96x = 26,439.52 × 11,202.64
  4. Step 4: Simplify right side
    19,161.96x = 296,192,424.33
  5. Step 5: Solve for x
    x = 296,192,424.33/19,161.96
  6. Step 6: Final answer
    x = 15,457.31

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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.