Home / 15,721.76-23,582.32-6,359.20

Finding the Fourth Proportional to 15,721.76, 23,582.32 and 6,359.20

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Solution

The fourth proportional to 15,721.76, 23,582.32 and 6,359.20 is: 9,538.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721.76 : 23,582.32 = 6,359.20 : x
  2. Step 2: Convert to fraction form
    15,721.76/23,582.32 = 6,359.20/x
  3. Step 3: Cross multiply
    15,721.76x = 23,582.32 × 6,359.20
  4. Step 4: Simplify right side
    15,721.76x = 149,964,689.34
  5. Step 5: Solve for x
    x = 149,964,689.34/15,721.76
  6. Step 6: Final answer
    x = 9,538.67

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