Home / 18,180.48-27,322.08-10,786.32

Finding the Fourth Proportional to 18,180.48, 27,322.08 and 10,786.32

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Solution

The fourth proportional to 18,180.48, 27,322.08 and 10,786.32 is: 16,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.48 : 27,322.08 = 10,786.32 : x
  2. Step 2: Convert to fraction form
    18,180.48/27,322.08 = 10,786.32/x
  3. Step 3: Cross multiply
    18,180.48x = 27,322.08 × 10,786.32
  4. Step 4: Simplify right side
    18,180.48x = 294,704,697.95
  5. Step 5: Solve for x
    x = 294,704,697.95/18,180.48
  6. Step 6: Final answer
    x = 16,209.95

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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.