Home / 18,453.80-27,675.30-6,606.20

Finding the Fourth Proportional to 18,453.80, 27,675.30 and 6,606.20

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Solution

The fourth proportional to 18,453.80, 27,675.30 and 6,606.20 is: 9,907.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453.80 : 27,675.30 = 6,606.20 : x
  2. Step 2: Convert to fraction form
    18,453.80/27,675.30 = 6,606.20/x
  3. Step 3: Cross multiply
    18,453.80x = 27,675.30 × 6,606.20
  4. Step 4: Simplify right side
    18,453.80x = 182,828,566.86
  5. Step 5: Solve for x
    x = 182,828,566.86/18,453.80
  6. Step 6: Final answer
    x = 9,907.37

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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.