Home / 14,623.24-21,930.12-4,759.92

Finding the Fourth Proportional to 14,623.24, 21,930.12 and 4,759.92

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Solution

The fourth proportional to 14,623.24, 21,930.12 and 4,759.92 is: 7,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,623.24 : 21,930.12 = 4,759.92 : x
  2. Step 2: Convert to fraction form
    14,623.24/21,930.12 = 4,759.92/x
  3. Step 3: Cross multiply
    14,623.24x = 21,930.12 × 4,759.92
  4. Step 4: Simplify right side
    14,623.24x = 104,385,616.79
  5. Step 5: Solve for x
    x = 104,385,616.79/14,623.24
  6. Step 6: Final answer
    x = 7,138.34

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1.5x scale

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.