Home / 25,146.72-37,741.68-11,992.32

Finding the Fourth Proportional to 25,146.72, 37,741.68 and 11,992.32

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Solution

The fourth proportional to 25,146.72, 37,741.68 and 11,992.32 is: 17,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,146.72 : 37,741.68 = 11,992.32 : x
  2. Step 2: Convert to fraction form
    25,146.72/37,741.68 = 11,992.32/x
  3. Step 3: Cross multiply
    25,146.72x = 37,741.68 × 11,992.32
  4. Step 4: Simplify right side
    25,146.72x = 452,610,303.90
  5. Step 5: Solve for x
    x = 452,610,303.90/25,146.72
  6. Step 6: Final answer
    x = 17,998.78

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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.