Home / 19,280.96-26,611.68-11,327.36

Finding the Fourth Proportional to 19,280.96, 26,611.68 and 11,327.36

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Solution

The fourth proportional to 19,280.96, 26,611.68 and 11,327.36 is: 15,634.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.96 : 26,611.68 = 11,327.36 : x
  2. Step 2: Convert to fraction form
    19,280.96/26,611.68 = 11,327.36/x
  3. Step 3: Cross multiply
    19,280.96x = 26,611.68 × 11,327.36
  4. Step 4: Simplify right side
    19,280.96x = 301,440,079.56
  5. Step 5: Solve for x
    x = 301,440,079.56/19,280.96
  6. Step 6: Final answer
    x = 15,634.08

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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.