Home / 19,914.72-29,854.16-7,611.36

Finding the Fourth Proportional to 19,914.72, 29,854.16 and 7,611.36

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Solution

The fourth proportional to 19,914.72, 29,854.16 and 7,611.36 is: 11,410.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.72 : 29,854.16 = 7,611.36 : x
  2. Step 2: Convert to fraction form
    19,914.72/29,854.16 = 7,611.36/x
  3. Step 3: Cross multiply
    19,914.72x = 29,854.16 × 7,611.36
  4. Step 4: Simplify right side
    19,914.72x = 227,230,759.26
  5. Step 5: Solve for x
    x = 227,230,759.26/19,914.72
  6. Step 6: Final answer
    x = 11,410.19

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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.