Home / 13,039.76-19,563.32-5,254.04

Finding the Fourth Proportional to 13,039.76, 19,563.32 and 5,254.04

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Solution

The fourth proportional to 13,039.76, 19,563.32 and 5,254.04 is: 7,882.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.76 : 19,563.32 = 5,254.04 : x
  2. Step 2: Convert to fraction form
    13,039.76/19,563.32 = 5,254.04/x
  3. Step 3: Cross multiply
    13,039.76x = 19,563.32 × 5,254.04
  4. Step 4: Simplify right side
    13,039.76x = 102,786,465.81
  5. Step 5: Solve for x
    x = 102,786,465.81/13,039.76
  6. Step 6: Final answer
    x = 7,882.54

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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.