Home / 15,831.12-23,745.84-5,969.76

Finding the Fourth Proportional to 15,831.12, 23,745.84 and 5,969.76

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Solution

The fourth proportional to 15,831.12, 23,745.84 and 5,969.76 is: 8,954.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831.12 : 23,745.84 = 5,969.76 : x
  2. Step 2: Convert to fraction form
    15,831.12/23,745.84 = 5,969.76/x
  3. Step 3: Cross multiply
    15,831.12x = 23,745.84 × 5,969.76
  4. Step 4: Simplify right side
    15,831.12x = 141,756,935.95
  5. Step 5: Solve for x
    x = 141,756,935.95/15,831.12
  6. Step 6: Final answer
    x = 8,954.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.