Home / 13,919.76-20,877.48-4,058.01

Finding the Fourth Proportional to 13,919.76, 20,877.48 and 4,058.01

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Solution

The fourth proportional to 13,919.76, 20,877.48 and 4,058.01 is: 6,086.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,919.76 : 20,877.48 = 4,058.01 : x
  2. Step 2: Convert to fraction form
    13,919.76/20,877.48 = 4,058.01/x
  3. Step 3: Cross multiply
    13,919.76x = 20,877.48 × 4,058.01
  4. Step 4: Simplify right side
    13,919.76x = 84,721,022.61
  5. Step 5: Solve for x
    x = 84,721,022.61/13,919.76
  6. Step 6: Final answer
    x = 6,086.39

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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.