Home / 13,340.13-20,007.15-5,021.02

Finding the Fourth Proportional to 13,340.13, 20,007.15 and 5,021.02

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Solution

The fourth proportional to 13,340.13, 20,007.15 and 5,021.02 is: 7,530.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,340.13 : 20,007.15 = 5,021.02 : x
  2. Step 2: Convert to fraction form
    13,340.13/20,007.15 = 5,021.02/x
  3. Step 3: Cross multiply
    13,340.13x = 20,007.15 × 5,021.02
  4. Step 4: Simplify right side
    13,340.13x = 100,456,300.29
  5. Step 5: Solve for x
    x = 100,456,300.29/13,340.13
  6. Step 6: Final answer
    x = 7,530.38

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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.