Home / 13,125.33-19,688.98-3,765.27

Finding the Fourth Proportional to 13,125.33, 19,688.98 and 3,765.27

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Solution

The fourth proportional to 13,125.33, 19,688.98 and 3,765.27 is: 5,648.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.33 : 19,688.98 = 3,765.27 : x
  2. Step 2: Convert to fraction form
    13,125.33/19,688.98 = 3,765.27/x
  3. Step 3: Cross multiply
    13,125.33x = 19,688.98 × 3,765.27
  4. Step 4: Simplify right side
    13,125.33x = 74,134,325.72
  5. Step 5: Solve for x
    x = 74,134,325.72/13,125.33
  6. Step 6: Final answer
    x = 5,648.19

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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.