Home / 18,210.48-27,322.56-9,439.92

Finding the Fourth Proportional to 18,210.48, 27,322.56 and 9,439.92

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Solution

The fourth proportional to 18,210.48, 27,322.56 and 9,439.92 is: 14,163.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210.48 : 27,322.56 = 9,439.92 : x
  2. Step 2: Convert to fraction form
    18,210.48/27,322.56 = 9,439.92/x
  3. Step 3: Cross multiply
    18,210.48x = 27,322.56 × 9,439.92
  4. Step 4: Simplify right side
    18,210.48x = 257,922,780.60
  5. Step 5: Solve for x
    x = 257,922,780.60/18,210.48
  6. Step 6: Final answer
    x = 14,163.43

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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.