Home / 13,255.08-19,885.74-4,021

Finding the Fourth Proportional to 13,255.08, 19,885.74 and 4,021

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Solution

The fourth proportional to 13,255.08, 19,885.74 and 4,021 is: 6,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.08 : 19,885.74 = 4,021 : x
  2. Step 2: Convert to fraction form
    13,255.08/19,885.74 = 4,021/x
  3. Step 3: Cross multiply
    13,255.08x = 19,885.74 × 4,021
  4. Step 4: Simplify right side
    13,255.08x = 79,960,560.54
  5. Step 5: Solve for x
    x = 79,960,560.54/13,255.08
  6. Step 6: Final answer
    x = 6,032.45

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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.