Home / 21,743.60-32,618.43-6,947.46

Finding the Fourth Proportional to 21,743.60, 32,618.43 and 6,947.46

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Solution

The fourth proportional to 21,743.60, 32,618.43 and 6,947.46 is: 10,422.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743.60 : 32,618.43 = 6,947.46 : x
  2. Step 2: Convert to fraction form
    21,743.60/32,618.43 = 6,947.46/x
  3. Step 3: Cross multiply
    21,743.60x = 32,618.43 × 6,947.46
  4. Step 4: Simplify right side
    21,743.60x = 226,615,237.69
  5. Step 5: Solve for x
    x = 226,615,237.69/21,743.60
  6. Step 6: Final answer
    x = 10,422.16

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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.