Home / 13,152.90-19,730.67-3,793.15

Finding the Fourth Proportional to 13,152.90, 19,730.67 and 3,793.15

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Solution

The fourth proportional to 13,152.90, 19,730.67 and 3,793.15 is: 5,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.90 : 19,730.67 = 3,793.15 : x
  2. Step 2: Convert to fraction form
    13,152.90/19,730.67 = 3,793.15/x
  3. Step 3: Cross multiply
    13,152.90x = 19,730.67 × 3,793.15
  4. Step 4: Simplify right side
    13,152.90x = 74,841,273.29
  5. Step 5: Solve for x
    x = 74,841,273.29/13,152.90
  6. Step 6: Final answer
    x = 5,690.10

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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.