Home / 13,132.08-19,705.48-6,975.92

Finding the Fourth Proportional to 13,132.08, 19,705.48 and 6,975.92

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Solution

The fourth proportional to 13,132.08, 19,705.48 and 6,975.92 is: 10,467.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.08 : 19,705.48 = 6,975.92 : x
  2. Step 2: Convert to fraction form
    13,132.08/19,705.48 = 6,975.92/x
  3. Step 3: Cross multiply
    13,132.08x = 19,705.48 × 6,975.92
  4. Step 4: Simplify right side
    13,132.08x = 137,463,852.04
  5. Step 5: Solve for x
    x = 137,463,852.04/13,132.08
  6. Step 6: Final answer
    x = 10,467.79

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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.