Home / 25,175.10-37,719.45-11,999.10

Finding the Fourth Proportional to 25,175.10, 37,719.45 and 11,999.10

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Solution

The fourth proportional to 25,175.10, 37,719.45 and 11,999.10 is: 17,978.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,175.10 : 37,719.45 = 11,999.10 : x
  2. Step 2: Convert to fraction form
    25,175.10/37,719.45 = 11,999.10/x
  3. Step 3: Cross multiply
    25,175.10x = 37,719.45 × 11,999.10
  4. Step 4: Simplify right side
    25,175.10x = 452,599,452.50
  5. Step 5: Solve for x
    x = 452,599,452.50/25,175.10
  6. Step 6: Final answer
    x = 17,978.06

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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.