Home / 13,997.08-20,985.32-6,597.36

Finding the Fourth Proportional to 13,997.08, 20,985.32 and 6,597.36

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Solution

The fourth proportional to 13,997.08, 20,985.32 and 6,597.36 is: 9,891.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.08 : 20,985.32 = 6,597.36 : x
  2. Step 2: Convert to fraction form
    13,997.08/20,985.32 = 6,597.36/x
  3. Step 3: Cross multiply
    13,997.08x = 20,985.32 × 6,597.36
  4. Step 4: Simplify right side
    13,997.08x = 138,447,710.76
  5. Step 5: Solve for x
    x = 138,447,710.76/13,997.08
  6. Step 6: Final answer
    x = 9,891.19

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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.