Home / 18,200.68-27,298.86-10,708.72

Finding the Fourth Proportional to 18,200.68, 27,298.86 and 10,708.72

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Solution

The fourth proportional to 18,200.68, 27,298.86 and 10,708.72 is: 16,061.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.68 : 27,298.86 = 10,708.72 : x
  2. Step 2: Convert to fraction form
    18,200.68/27,298.86 = 10,708.72/x
  3. Step 3: Cross multiply
    18,200.68x = 27,298.86 × 10,708.72
  4. Step 4: Simplify right side
    18,200.68x = 292,335,848.06
  5. Step 5: Solve for x
    x = 292,335,848.06/18,200.68
  6. Step 6: Final answer
    x = 16,061.81

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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.