Home / 20,729.51-31,094.25-7,574.70

Finding the Fourth Proportional to 20,729.51, 31,094.25 and 7,574.70

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Solution

The fourth proportional to 20,729.51, 31,094.25 and 7,574.70 is: 11,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,729.51 : 31,094.25 = 7,574.70 : x
  2. Step 2: Convert to fraction form
    20,729.51/31,094.25 = 7,574.70/x
  3. Step 3: Cross multiply
    20,729.51x = 31,094.25 × 7,574.70
  4. Step 4: Simplify right side
    20,729.51x = 235,529,615.48
  5. Step 5: Solve for x
    x = 235,529,615.48/20,729.51
  6. Step 6: Final answer
    x = 11,362.05

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