Home / 13,369.01-18,448.84-7,319.00

Finding the Fourth Proportional to 13,369.01, 18,448.84 and 7,319.00

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Solution

The fourth proportional to 13,369.01, 18,448.84 and 7,319.00 is: 10,100.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.01 : 18,448.84 = 7,319.00 : x
  2. Step 2: Convert to fraction form
    13,369.01/18,448.84 = 7,319.00/x
  3. Step 3: Cross multiply
    13,369.01x = 18,448.84 × 7,319.00
  4. Step 4: Simplify right side
    13,369.01x = 135,027,087.78
  5. Step 5: Solve for x
    x = 135,027,087.78/13,369.01
  6. Step 6: Final answer
    x = 10,100.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.