Home / 13,829.18-20,724.32-6,021.60

Finding the Fourth Proportional to 13,829.18, 20,724.32 and 6,021.60

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Solution

The fourth proportional to 13,829.18, 20,724.32 and 6,021.60 is: 9,023.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.18 : 20,724.32 = 6,021.60 : x
  2. Step 2: Convert to fraction form
    13,829.18/20,724.32 = 6,021.60/x
  3. Step 3: Cross multiply
    13,829.18x = 20,724.32 × 6,021.60
  4. Step 4: Simplify right side
    13,829.18x = 124,793,565.31
  5. Step 5: Solve for x
    x = 124,793,565.31/13,829.18
  6. Step 6: Final answer
    x = 9,023.93

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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.