Home / 25,790.72-38,673.12-11,949.44

Finding the Fourth Proportional to 25,790.72, 38,673.12 and 11,949.44

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Solution

The fourth proportional to 25,790.72, 38,673.12 and 11,949.44 is: 17,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,790.72 : 38,673.12 = 11,949.44 : x
  2. Step 2: Convert to fraction form
    25,790.72/38,673.12 = 11,949.44/x
  3. Step 3: Cross multiply
    25,790.72x = 38,673.12 × 11,949.44
  4. Step 4: Simplify right side
    25,790.72x = 462,122,127.05
  5. Step 5: Solve for x
    x = 462,122,127.05/25,790.72
  6. Step 6: Final answer
    x = 17,918.16

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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.