Home / 14,928.12-22,385.34-7,128.36

Finding the Fourth Proportional to 14,928.12, 22,385.34 and 7,128.36

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Solution

The fourth proportional to 14,928.12, 22,385.34 and 7,128.36 is: 10,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,928.12 : 22,385.34 = 7,128.36 : x
  2. Step 2: Convert to fraction form
    14,928.12/22,385.34 = 7,128.36/x
  3. Step 3: Cross multiply
    14,928.12x = 22,385.34 × 7,128.36
  4. Step 4: Simplify right side
    14,928.12x = 159,570,762.24
  5. Step 5: Solve for x
    x = 159,570,762.24/14,928.12
  6. Step 6: Final answer
    x = 10,689.27

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