Home / 21,833.27-30,141.38-14,700.69

Finding the Fourth Proportional to 21,833.27, 30,141.38 and 14,700.69

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Solution

The fourth proportional to 21,833.27, 30,141.38 and 14,700.69 is: 20,294.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,833.27 : 30,141.38 = 14,700.69 : x
  2. Step 2: Convert to fraction form
    21,833.27/30,141.38 = 14,700.69/x
  3. Step 3: Cross multiply
    21,833.27x = 30,141.38 × 14,700.69
  4. Step 4: Simplify right side
    21,833.27x = 443,099,083.55
  5. Step 5: Solve for x
    x = 443,099,083.55/21,833.27
  6. Step 6: Final answer
    x = 20,294.67

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Why These Related Problems?

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