Home / 16,399.18-22,626.03-9,685.36

Finding the Fourth Proportional to 16,399.18, 22,626.03 and 9,685.36

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Solution

The fourth proportional to 16,399.18, 22,626.03 and 9,685.36 is: 13,362.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,399.18 : 22,626.03 = 9,685.36 : x
  2. Step 2: Convert to fraction form
    16,399.18/22,626.03 = 9,685.36/x
  3. Step 3: Cross multiply
    16,399.18x = 22,626.03 × 9,685.36
  4. Step 4: Simplify right side
    16,399.18x = 219,141,245.92
  5. Step 5: Solve for x
    x = 219,141,245.92/16,399.18
  6. Step 6: Final answer
    x = 13,362.94

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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.