Home / 21,058.96-31,588.44-6,268.09

Finding the Fourth Proportional to 21,058.96, 31,588.44 and 6,268.09

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Solution

The fourth proportional to 21,058.96, 31,588.44 and 6,268.09 is: 9,402.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058.96 : 31,588.44 = 6,268.09 : x
  2. Step 2: Convert to fraction form
    21,058.96/31,588.44 = 6,268.09/x
  3. Step 3: Cross multiply
    21,058.96x = 31,588.44 × 6,268.09
  4. Step 4: Simplify right side
    21,058.96x = 197,999,184.88
  5. Step 5: Solve for x
    x = 197,999,184.88/21,058.96
  6. Step 6: Final answer
    x = 9,402.14

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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.