Home / 14,220.10-19,623.72-7,932.48

Finding the Fourth Proportional to 14,220.10, 19,623.72 and 7,932.48

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Solution

The fourth proportional to 14,220.10, 19,623.72 and 7,932.48 is: 10,946.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.10 : 19,623.72 = 7,932.48 : x
  2. Step 2: Convert to fraction form
    14,220.10/19,623.72 = 7,932.48/x
  3. Step 3: Cross multiply
    14,220.10x = 19,623.72 × 7,932.48
  4. Step 4: Simplify right side
    14,220.10x = 155,664,766.43
  5. Step 5: Solve for x
    x = 155,664,766.43/14,220.10
  6. Step 6: Final answer
    x = 10,946.81

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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.