Home / 21,616.94-32,426.40-6,622.98

Finding the Fourth Proportional to 21,616.94, 32,426.40 and 6,622.98

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Solution

The fourth proportional to 21,616.94, 32,426.40 and 6,622.98 is: 9,934.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,616.94 : 32,426.40 = 6,622.98 : x
  2. Step 2: Convert to fraction form
    21,616.94/32,426.40 = 6,622.98/x
  3. Step 3: Cross multiply
    21,616.94x = 32,426.40 × 6,622.98
  4. Step 4: Simplify right side
    21,616.94x = 214,759,496.08
  5. Step 5: Solve for x
    x = 214,759,496.08/21,616.94
  6. Step 6: Final answer
    x = 9,934.78

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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.