Home / 13,020.76-19,521.86-6,091.48

Finding the Fourth Proportional to 13,020.76, 19,521.86 and 6,091.48

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Solution

The fourth proportional to 13,020.76, 19,521.86 and 6,091.48 is: 9,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.76 : 19,521.86 = 6,091.48 : x
  2. Step 2: Convert to fraction form
    13,020.76/19,521.86 = 6,091.48/x
  3. Step 3: Cross multiply
    13,020.76x = 19,521.86 × 6,091.48
  4. Step 4: Simplify right side
    13,020.76x = 118,917,019.75
  5. Step 5: Solve for x
    x = 118,917,019.75/13,020.76
  6. Step 6: Final answer
    x = 9,132.88

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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.