Home / 18,359.20-27,532.32-6,669.28

Finding the Fourth Proportional to 18,359.20, 27,532.32 and 6,669.28

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Solution

The fourth proportional to 18,359.20, 27,532.32 and 6,669.28 is: 10,001.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.20 : 27,532.32 = 6,669.28 : x
  2. Step 2: Convert to fraction form
    18,359.20/27,532.32 = 6,669.28/x
  3. Step 3: Cross multiply
    18,359.20x = 27,532.32 × 6,669.28
  4. Step 4: Simplify right side
    18,359.20x = 183,620,751.13
  5. Step 5: Solve for x
    x = 183,620,751.13/18,359.20
  6. Step 6: Final answer
    x = 10,001.57

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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.