Home / 13,830.05-20,738.60-5,058.83

Finding the Fourth Proportional to 13,830.05, 20,738.60 and 5,058.83

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Solution

The fourth proportional to 13,830.05, 20,738.60 and 5,058.83 is: 7,585.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,830.05 : 20,738.60 = 5,058.83 : x
  2. Step 2: Convert to fraction form
    13,830.05/20,738.60 = 5,058.83/x
  3. Step 3: Cross multiply
    13,830.05x = 20,738.60 × 5,058.83
  4. Step 4: Simplify right side
    13,830.05x = 104,913,097.36
  5. Step 5: Solve for x
    x = 104,913,097.36/13,830.05
  6. Step 6: Final answer
    x = 7,585.88

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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.