Home / 14,708.16-20,295.04-8,419.36

Finding the Fourth Proportional to 14,708.16, 20,295.04 and 8,419.36

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Solution

The fourth proportional to 14,708.16, 20,295.04 and 8,419.36 is: 11,617.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,708.16 : 20,295.04 = 8,419.36 : x
  2. Step 2: Convert to fraction form
    14,708.16/20,295.04 = 8,419.36/x
  3. Step 3: Cross multiply
    14,708.16x = 20,295.04 × 8,419.36
  4. Step 4: Simplify right side
    14,708.16x = 170,871,247.97
  5. Step 5: Solve for x
    x = 170,871,247.97/14,708.16
  6. Step 6: Final answer
    x = 11,617.45

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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.