Home / 13,322.44-19,985.82-5,531.56

Finding the Fourth Proportional to 13,322.44, 19,985.82 and 5,531.56

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Solution

The fourth proportional to 13,322.44, 19,985.82 and 5,531.56 is: 8,298.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.44 : 19,985.82 = 5,531.56 : x
  2. Step 2: Convert to fraction form
    13,322.44/19,985.82 = 5,531.56/x
  3. Step 3: Cross multiply
    13,322.44x = 19,985.82 × 5,531.56
  4. Step 4: Simplify right side
    13,322.44x = 110,552,762.48
  5. Step 5: Solve for x
    x = 110,552,762.48/13,322.44
  6. Step 6: Final answer
    x = 8,298.24

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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.