Home / 13,334.64-19,986.56-5,009.33

Finding the Fourth Proportional to 13,334.64, 19,986.56 and 5,009.33

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Solution

The fourth proportional to 13,334.64, 19,986.56 and 5,009.33 is: 7,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.64 : 19,986.56 = 5,009.33 : x
  2. Step 2: Convert to fraction form
    13,334.64/19,986.56 = 5,009.33/x
  3. Step 3: Cross multiply
    13,334.64x = 19,986.56 × 5,009.33
  4. Step 4: Simplify right side
    13,334.64x = 100,119,149.63
  5. Step 5: Solve for x
    x = 100,119,149.63/13,334.64
  6. Step 6: Final answer
    x = 7,508.20

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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.