Home / 25,345.22-37,962.42-12,843.78

Finding the Fourth Proportional to 25,345.22, 37,962.42 and 12,843.78

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Solution

The fourth proportional to 25,345.22, 37,962.42 and 12,843.78 is: 19,237.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.22 : 37,962.42 = 12,843.78 : x
  2. Step 2: Convert to fraction form
    25,345.22/37,962.42 = 12,843.78/x
  3. Step 3: Cross multiply
    25,345.22x = 37,962.42 × 12,843.78
  4. Step 4: Simplify right side
    25,345.22x = 487,580,970.75
  5. Step 5: Solve for x
    x = 487,580,970.75/25,345.22
  6. Step 6: Final answer
    x = 19,237.59

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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.