Home / 25,973.82-38,966.50-12,115.26

Finding the Fourth Proportional to 25,973.82, 38,966.50 and 12,115.26

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Solution

The fourth proportional to 25,973.82, 38,966.50 and 12,115.26 is: 18,175.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,973.82 : 38,966.50 = 12,115.26 : x
  2. Step 2: Convert to fraction form
    25,973.82/38,966.50 = 12,115.26/x
  3. Step 3: Cross multiply
    25,973.82x = 38,966.50 × 12,115.26
  4. Step 4: Simplify right side
    25,973.82x = 472,089,278.79
  5. Step 5: Solve for x
    x = 472,089,278.79/25,973.82
  6. Step 6: Final answer
    x = 18,175.58

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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.