Home / 16,639.88-22,963.10-9,086.36

Finding the Fourth Proportional to 16,639.88, 22,963.10 and 9,086.36

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Solution

The fourth proportional to 16,639.88, 22,963.10 and 9,086.36 is: 12,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,639.88 : 22,963.10 = 9,086.36 : x
  2. Step 2: Convert to fraction form
    16,639.88/22,963.10 = 9,086.36/x
  3. Step 3: Cross multiply
    16,639.88x = 22,963.10 × 9,086.36
  4. Step 4: Simplify right side
    16,639.88x = 208,650,833.07
  5. Step 5: Solve for x
    x = 208,650,833.07/16,639.88
  6. Step 6: Final answer
    x = 12,539.21

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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.