Home / 19,438.50-26,829.99-11,059.86

Finding the Fourth Proportional to 19,438.50, 26,829.99 and 11,059.86

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Solution

The fourth proportional to 19,438.50, 26,829.99 and 11,059.86 is: 15,265.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438.50 : 26,829.99 = 11,059.86 : x
  2. Step 2: Convert to fraction form
    19,438.50/26,829.99 = 11,059.86/x
  3. Step 3: Cross multiply
    19,438.50x = 26,829.99 × 11,059.86
  4. Step 4: Simplify right side
    19,438.50x = 296,735,933.20
  5. Step 5: Solve for x
    x = 296,735,933.20/19,438.50
  6. Step 6: Final answer
    x = 15,265.37

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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.