Home / 14,094.41-21,138.64-9,081.77

Finding the Fourth Proportional to 14,094.41, 21,138.64 and 9,081.77

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Solution

The fourth proportional to 14,094.41, 21,138.64 and 9,081.77 is: 13,620.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,094.41 : 21,138.64 = 9,081.77 : x
  2. Step 2: Convert to fraction form
    14,094.41/21,138.64 = 9,081.77/x
  3. Step 3: Cross multiply
    14,094.41x = 21,138.64 × 9,081.77
  4. Step 4: Simplify right side
    14,094.41x = 191,976,138.20
  5. Step 5: Solve for x
    x = 191,976,138.20/14,094.41
  6. Step 6: Final answer
    x = 13,620.73

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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.