Home / 14,986.64-22,480.10-6,664.40

Finding the Fourth Proportional to 14,986.64, 22,480.10 and 6,664.40

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Solution

The fourth proportional to 14,986.64, 22,480.10 and 6,664.40 is: 9,996.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986.64 : 22,480.10 = 6,664.40 : x
  2. Step 2: Convert to fraction form
    14,986.64/22,480.10 = 6,664.40/x
  3. Step 3: Cross multiply
    14,986.64x = 22,480.10 × 6,664.40
  4. Step 4: Simplify right side
    14,986.64x = 149,816,378.44
  5. Step 5: Solve for x
    x = 149,816,378.44/14,986.64
  6. Step 6: Final answer
    x = 9,996.66

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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.