Home / 13,132.32-19,681.84-5,734.72

Finding the Fourth Proportional to 13,132.32, 19,681.84 and 5,734.72

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Solution

The fourth proportional to 13,132.32, 19,681.84 and 5,734.72 is: 8,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.32 : 19,681.84 = 5,734.72 : x
  2. Step 2: Convert to fraction form
    13,132.32/19,681.84 = 5,734.72/x
  3. Step 3: Cross multiply
    13,132.32x = 19,681.84 × 5,734.72
  4. Step 4: Simplify right side
    13,132.32x = 112,869,841.48
  5. Step 5: Solve for x
    x = 112,869,841.48/13,132.32
  6. Step 6: Final answer
    x = 8,594.81

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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.