Home / 21,058.94-31,577.85-7,014.03

Finding the Fourth Proportional to 21,058.94, 31,577.85 and 7,014.03

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Solution

The fourth proportional to 21,058.94, 31,577.85 and 7,014.03 is: 10,517.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058.94 : 31,577.85 = 7,014.03 : x
  2. Step 2: Convert to fraction form
    21,058.94/31,577.85 = 7,014.03/x
  3. Step 3: Cross multiply
    21,058.94x = 31,577.85 × 7,014.03
  4. Step 4: Simplify right side
    21,058.94x = 221,487,987.24
  5. Step 5: Solve for x
    x = 221,487,987.24/21,058.94
  6. Step 6: Final answer
    x = 10,517.53

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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.