Home / 13,129.24-19,664.34-7,569.40

Finding the Fourth Proportional to 13,129.24, 19,664.34 and 7,569.40

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Solution

The fourth proportional to 13,129.24, 19,664.34 and 7,569.40 is: 11,337.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,129.24 : 19,664.34 = 7,569.40 : x
  2. Step 2: Convert to fraction form
    13,129.24/19,664.34 = 7,569.40/x
  3. Step 3: Cross multiply
    13,129.24x = 19,664.34 × 7,569.40
  4. Step 4: Simplify right side
    13,129.24x = 148,847,255.20
  5. Step 5: Solve for x
    x = 148,847,255.20/13,129.24
  6. Step 6: Final answer
    x = 11,337.08

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