Home / 15,743.48-23,620.68-6,984.53

Finding the Fourth Proportional to 15,743.48, 23,620.68 and 6,984.53

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Solution

The fourth proportional to 15,743.48, 23,620.68 and 6,984.53 is: 10,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,743.48 : 23,620.68 = 6,984.53 : x
  2. Step 2: Convert to fraction form
    15,743.48/23,620.68 = 6,984.53/x
  3. Step 3: Cross multiply
    15,743.48x = 23,620.68 × 6,984.53
  4. Step 4: Simplify right side
    15,743.48x = 164,979,348.08
  5. Step 5: Solve for x
    x = 164,979,348.08/15,743.48
  6. Step 6: Final answer
    x = 10,479.22

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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.