Home / 13,282.65-19,946.18-8,296.62

Finding the Fourth Proportional to 13,282.65, 19,946.18 and 8,296.62

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Solution

The fourth proportional to 13,282.65, 19,946.18 and 8,296.62 is: 12,458.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.65 : 19,946.18 = 8,296.62 : x
  2. Step 2: Convert to fraction form
    13,282.65/19,946.18 = 8,296.62/x
  3. Step 3: Cross multiply
    13,282.65x = 19,946.18 × 8,296.62
  4. Step 4: Simplify right side
    13,282.65x = 165,485,946.52
  5. Step 5: Solve for x
    x = 165,485,946.52/13,282.65
  6. Step 6: Final answer
    x = 12,458.81

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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.