Home / 25,484.21-38,209.43-12,159.26

Finding the Fourth Proportional to 25,484.21, 38,209.43 and 12,159.26

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Solution

The fourth proportional to 25,484.21, 38,209.43 and 12,159.26 is: 18,230.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,484.21 : 38,209.43 = 12,159.26 : x
  2. Step 2: Convert to fraction form
    25,484.21/38,209.43 = 12,159.26/x
  3. Step 3: Cross multiply
    25,484.21x = 38,209.43 × 12,159.26
  4. Step 4: Simplify right side
    25,484.21x = 464,598,141.98
  5. Step 5: Solve for x
    x = 464,598,141.98/25,484.21
  6. Step 6: Final answer
    x = 18,230.83

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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.