Home / 18,200.52-27,305.10-9,439.56

Finding the Fourth Proportional to 18,200.52, 27,305.10 and 9,439.56

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Solution

The fourth proportional to 18,200.52, 27,305.10 and 9,439.56 is: 14,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.52 : 27,305.10 = 9,439.56 : x
  2. Step 2: Convert to fraction form
    18,200.52/27,305.10 = 9,439.56/x
  3. Step 3: Cross multiply
    18,200.52x = 27,305.10 × 9,439.56
  4. Step 4: Simplify right side
    18,200.52x = 257,748,129.76
  5. Step 5: Solve for x
    x = 257,748,129.76/18,200.52
  6. Step 6: Final answer
    x = 14,161.58

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1.5x scale

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.