Home / 25,161.58-37,735.62-11,987.74

Finding the Fourth Proportional to 25,161.58, 37,735.62 and 11,987.74

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Solution

The fourth proportional to 25,161.58, 37,735.62 and 11,987.74 is: 17,978.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,161.58 : 37,735.62 = 11,987.74 : x
  2. Step 2: Convert to fraction form
    25,161.58/37,735.62 = 11,987.74/x
  3. Step 3: Cross multiply
    25,161.58x = 37,735.62 × 11,987.74
  4. Step 4: Simplify right side
    25,161.58x = 452,364,801.30
  5. Step 5: Solve for x
    x = 452,364,801.30/25,161.58
  6. Step 6: Final answer
    x = 17,978.39

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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.