Home / 21,054.44-31,581.64-6,263.32

Finding the Fourth Proportional to 21,054.44, 31,581.64 and 6,263.32

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Solution

The fourth proportional to 21,054.44, 31,581.64 and 6,263.32 is: 9,394.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054.44 : 31,581.64 = 6,263.32 : x
  2. Step 2: Convert to fraction form
    21,054.44/31,581.64 = 6,263.32/x
  3. Step 3: Cross multiply
    21,054.44x = 31,581.64 × 6,263.32
  4. Step 4: Simplify right side
    21,054.44x = 197,805,917.44
  5. Step 5: Solve for x
    x = 197,805,917.44/21,054.44
  6. Step 6: Final answer
    x = 9,394.97

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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.