Home / 13,360.14-20,040.21-5,042.01

Finding the Fourth Proportional to 13,360.14, 20,040.21 and 5,042.01

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Solution

The fourth proportional to 13,360.14, 20,040.21 and 5,042.01 is: 7,563.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.14 : 20,040.21 = 5,042.01 : x
  2. Step 2: Convert to fraction form
    13,360.14/20,040.21 = 5,042.01/x
  3. Step 3: Cross multiply
    13,360.14x = 20,040.21 × 5,042.01
  4. Step 4: Simplify right side
    13,360.14x = 101,042,939.22
  5. Step 5: Solve for x
    x = 101,042,939.22/13,360.14
  6. Step 6: Final answer
    x = 7,563.02

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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.