Home / 18,327.80-27,498.90-7,232.60

Finding the Fourth Proportional to 18,327.80, 27,498.90 and 7,232.60

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Solution

The fourth proportional to 18,327.80, 27,498.90 and 7,232.60 is: 10,851.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.80 : 27,498.90 = 7,232.60 : x
  2. Step 2: Convert to fraction form
    18,327.80/27,498.90 = 7,232.60/x
  3. Step 3: Cross multiply
    18,327.80x = 27,498.90 × 7,232.60
  4. Step 4: Simplify right side
    18,327.80x = 198,888,544.14
  5. Step 5: Solve for x
    x = 198,888,544.14/18,327.80
  6. Step 6: Final answer
    x = 10,851.74

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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.