Home / 25,885.32-38,883.26-18,537

Finding the Fourth Proportional to 25,885.32, 38,883.26 and 18,537

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Solution

The fourth proportional to 25,885.32, 38,883.26 and 18,537 is: 27,845.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,885.32 : 38,883.26 = 18,537 : x
  2. Step 2: Convert to fraction form
    25,885.32/38,883.26 = 18,537/x
  3. Step 3: Cross multiply
    25,885.32x = 38,883.26 × 18,537
  4. Step 4: Simplify right side
    25,885.32x = 720,778,990.62
  5. Step 5: Solve for x
    x = 720,778,990.62/25,885.32
  6. Step 6: Final answer
    x = 27,845.09

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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.