Home / 18,548.16-27,790.96-9,175.68

Finding the Fourth Proportional to 18,548.16, 27,790.96 and 9,175.68

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Solution

The fourth proportional to 18,548.16, 27,790.96 and 9,175.68 is: 13,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.16 : 27,790.96 = 9,175.68 : x
  2. Step 2: Convert to fraction form
    18,548.16/27,790.96 = 9,175.68/x
  3. Step 3: Cross multiply
    18,548.16x = 27,790.96 × 9,175.68
  4. Step 4: Simplify right side
    18,548.16x = 255,000,955.85
  5. Step 5: Solve for x
    x = 255,000,955.85/18,548.16
  6. Step 6: Final answer
    x = 13,748.05

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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.