Home / 13,314.16-19,956.66-6,731.29

Finding the Fourth Proportional to 13,314.16, 19,956.66 and 6,731.29

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Solution

The fourth proportional to 13,314.16, 19,956.66 and 6,731.29 is: 10,089.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.16 : 19,956.66 = 6,731.29 : x
  2. Step 2: Convert to fraction form
    13,314.16/19,956.66 = 6,731.29/x
  3. Step 3: Cross multiply
    13,314.16x = 19,956.66 × 6,731.29
  4. Step 4: Simplify right side
    13,314.16x = 134,334,065.89
  5. Step 5: Solve for x
    x = 134,334,065.89/13,314.16
  6. Step 6: Final answer
    x = 10,089.56

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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.