Home / 13,765.65-20,651.51-5,000.48

Finding the Fourth Proportional to 13,765.65, 20,651.51 and 5,000.48

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Solution

The fourth proportional to 13,765.65, 20,651.51 and 5,000.48 is: 7,501.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765.65 : 20,651.51 = 5,000.48 : x
  2. Step 2: Convert to fraction form
    13,765.65/20,651.51 = 5,000.48/x
  3. Step 3: Cross multiply
    13,765.65x = 20,651.51 × 5,000.48
  4. Step 4: Simplify right side
    13,765.65x = 103,267,537.45
  5. Step 5: Solve for x
    x = 103,267,537.45/13,765.65
  6. Step 6: Final answer
    x = 7,501.83

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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.