Home / 27,186.85-40,779.87-7,465.42

Finding the Fourth Proportional to 27,186.85, 40,779.87 and 7,465.42

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Solution

The fourth proportional to 27,186.85, 40,779.87 and 7,465.42 is: 11,198.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,186.85 : 40,779.87 = 7,465.42 : x
  2. Step 2: Convert to fraction form
    27,186.85/40,779.87 = 7,465.42/x
  3. Step 3: Cross multiply
    27,186.85x = 40,779.87 × 7,465.42
  4. Step 4: Simplify right side
    27,186.85x = 304,438,857.10
  5. Step 5: Solve for x
    x = 304,438,857.10/27,186.85
  6. Step 6: Final answer
    x = 11,198.02

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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.