Home / 16,340.72-22,551.86-9,628.44

Finding the Fourth Proportional to 16,340.72, 22,551.86 and 9,628.44

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Solution

The fourth proportional to 16,340.72, 22,551.86 and 9,628.44 is: 13,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,340.72 : 22,551.86 = 9,628.44 : x
  2. Step 2: Convert to fraction form
    16,340.72/22,551.86 = 9,628.44/x
  3. Step 3: Cross multiply
    16,340.72x = 22,551.86 × 9,628.44
  4. Step 4: Simplify right side
    16,340.72x = 217,139,230.90
  5. Step 5: Solve for x
    x = 217,139,230.90/16,340.72
  6. Step 6: Final answer
    x = 13,288.23

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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.