Home / 14,233.28-21,361.08-9,881.36

Finding the Fourth Proportional to 14,233.28, 21,361.08 and 9,881.36

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Solution

The fourth proportional to 14,233.28, 21,361.08 and 9,881.36 is: 14,829.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,233.28 : 21,361.08 = 9,881.36 : x
  2. Step 2: Convert to fraction form
    14,233.28/21,361.08 = 9,881.36/x
  3. Step 3: Cross multiply
    14,233.28x = 21,361.08 × 9,881.36
  4. Step 4: Simplify right side
    14,233.28x = 211,076,521.47
  5. Step 5: Solve for x
    x = 211,076,521.47/14,233.28
  6. Step 6: Final answer
    x = 14,829.79

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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.