Home / 16,354.12-22,571.64-9,639.36

Finding the Fourth Proportional to 16,354.12, 22,571.64 and 9,639.36

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Solution

The fourth proportional to 16,354.12, 22,571.64 and 9,639.36 is: 13,304.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,354.12 : 22,571.64 = 9,639.36 : x
  2. Step 2: Convert to fraction form
    16,354.12/22,571.64 = 9,639.36/x
  3. Step 3: Cross multiply
    16,354.12x = 22,571.64 × 9,639.36
  4. Step 4: Simplify right side
    16,354.12x = 217,576,163.75
  5. Step 5: Solve for x
    x = 217,576,163.75/16,354.12
  6. Step 6: Final answer
    x = 13,304.06

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1.5x scale

Why These Related Problems?

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