Home / 21,743.64-32,628.01-11,748.41

Finding the Fourth Proportional to 21,743.64, 32,628.01 and 11,748.41

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Solution

The fourth proportional to 21,743.64, 32,628.01 and 11,748.41 is: 17,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743.64 : 32,628.01 = 11,748.41 : x
  2. Step 2: Convert to fraction form
    21,743.64/32,628.01 = 11,748.41/x
  3. Step 3: Cross multiply
    21,743.64x = 32,628.01 × 11,748.41
  4. Step 4: Simplify right side
    21,743.64x = 383,327,291.16
  5. Step 5: Solve for x
    x = 383,327,291.16/21,743.64
  6. Step 6: Final answer
    x = 17,629.40

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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.