Home / 18,718.17-25,831.08-10,334.67

Finding the Fourth Proportional to 18,718.17, 25,831.08 and 10,334.67

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Solution

The fourth proportional to 18,718.17, 25,831.08 and 10,334.67 is: 14,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,718.17 : 25,831.08 = 10,334.67 : x
  2. Step 2: Convert to fraction form
    18,718.17/25,831.08 = 10,334.67/x
  3. Step 3: Cross multiply
    18,718.17x = 25,831.08 × 10,334.67
  4. Step 4: Simplify right side
    18,718.17x = 266,955,687.54
  5. Step 5: Solve for x
    x = 266,955,687.54/18,718.17
  6. Step 6: Final answer
    x = 14,261.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.