Home / 13,362.50-20,051.75-5,355.86

Finding the Fourth Proportional to 13,362.50, 20,051.75 and 5,355.86

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Solution

The fourth proportional to 13,362.50, 20,051.75 and 5,355.86 is: 8,036.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.50 : 20,051.75 = 5,355.86 : x
  2. Step 2: Convert to fraction form
    13,362.50/20,051.75 = 5,355.86/x
  3. Step 3: Cross multiply
    13,362.50x = 20,051.75 × 5,355.86
  4. Step 4: Simplify right side
    13,362.50x = 107,394,278.89
  5. Step 5: Solve for x
    x = 107,394,278.89/13,362.50
  6. Step 6: Final answer
    x = 8,036.99

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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.