Home / 18,200.13-27,300.34-5,053.52

Finding the Fourth Proportional to 18,200.13, 27,300.34 and 5,053.52

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Solution

The fourth proportional to 18,200.13, 27,300.34 and 5,053.52 is: 7,580.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.13 : 27,300.34 = 5,053.52 : x
  2. Step 2: Convert to fraction form
    18,200.13/27,300.34 = 5,053.52/x
  3. Step 3: Cross multiply
    18,200.13x = 27,300.34 × 5,053.52
  4. Step 4: Simplify right side
    18,200.13x = 137,962,801.56
  5. Step 5: Solve for x
    x = 137,962,801.56/18,200.13
  6. Step 6: Final answer
    x = 7,580.32

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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.