Home / 21,829.79-30,101.27-14,743.91

Finding the Fourth Proportional to 21,829.79, 30,101.27 and 14,743.91

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Solution

The fourth proportional to 21,829.79, 30,101.27 and 14,743.91 is: 20,330.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,829.79 : 30,101.27 = 14,743.91 : x
  2. Step 2: Convert to fraction form
    21,829.79/30,101.27 = 14,743.91/x
  3. Step 3: Cross multiply
    21,829.79x = 30,101.27 × 14,743.91
  4. Step 4: Simplify right side
    21,829.79x = 443,810,191.54
  5. Step 5: Solve for x
    x = 443,810,191.54/21,829.79
  6. Step 6: Final answer
    x = 20,330.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.