Home / 13,330.32-19,991.28-5,537.52

Finding the Fourth Proportional to 13,330.32, 19,991.28 and 5,537.52

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Solution

The fourth proportional to 13,330.32, 19,991.28 and 5,537.52 is: 8,304.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.32 : 19,991.28 = 5,537.52 : x
  2. Step 2: Convert to fraction form
    13,330.32/19,991.28 = 5,537.52/x
  3. Step 3: Cross multiply
    13,330.32x = 19,991.28 × 5,537.52
  4. Step 4: Simplify right side
    13,330.32x = 110,702,112.83
  5. Step 5: Solve for x
    x = 110,702,112.83/13,330.32
  6. Step 6: Final answer
    x = 8,304.54

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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.