Home / 20,723.28-31,094.10-10,860.21

Finding the Fourth Proportional to 20,723.28, 31,094.10 and 10,860.21

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Solution

The fourth proportional to 20,723.28, 31,094.10 and 10,860.21 is: 16,295.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723.28 : 31,094.10 = 10,860.21 : x
  2. Step 2: Convert to fraction form
    20,723.28/31,094.10 = 10,860.21/x
  3. Step 3: Cross multiply
    20,723.28x = 31,094.10 × 10,860.21
  4. Step 4: Simplify right side
    20,723.28x = 337,688,455.76
  5. Step 5: Solve for x
    x = 337,688,455.76/20,723.28
  6. Step 6: Final answer
    x = 16,295.13

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