Home / 25,489.56-38,239.66-12,846.42

Finding the Fourth Proportional to 25,489.56, 38,239.66 and 12,846.42

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Solution

The fourth proportional to 25,489.56, 38,239.66 and 12,846.42 is: 19,272.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,489.56 : 38,239.66 = 12,846.42 : x
  2. Step 2: Convert to fraction form
    25,489.56/38,239.66 = 12,846.42/x
  3. Step 3: Cross multiply
    25,489.56x = 38,239.66 × 12,846.42
  4. Step 4: Simplify right side
    25,489.56x = 491,242,733.02
  5. Step 5: Solve for x
    x = 491,242,733.02/25,489.56
  6. Step 6: Final answer
    x = 19,272.31

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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.