Home / 14,054.72-21,081.47-5,731.97

Finding the Fourth Proportional to 14,054.72, 21,081.47 and 5,731.97

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Solution

The fourth proportional to 14,054.72, 21,081.47 and 5,731.97 is: 8,597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.72 : 21,081.47 = 5,731.97 : x
  2. Step 2: Convert to fraction form
    14,054.72/21,081.47 = 5,731.97/x
  3. Step 3: Cross multiply
    14,054.72x = 21,081.47 × 5,731.97
  4. Step 4: Simplify right side
    14,054.72x = 120,838,219.53
  5. Step 5: Solve for x
    x = 120,838,219.53/14,054.72
  6. Step 6: Final answer
    x = 8,597.70

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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.