Home / 14,485.52-21,731.31-4,625.79

Finding the Fourth Proportional to 14,485.52, 21,731.31 and 4,625.79

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Solution

The fourth proportional to 14,485.52, 21,731.31 and 4,625.79 is: 6,939.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.52 : 21,731.31 = 4,625.79 : x
  2. Step 2: Convert to fraction form
    14,485.52/21,731.31 = 4,625.79/x
  3. Step 3: Cross multiply
    14,485.52x = 21,731.31 × 4,625.79
  4. Step 4: Simplify right side
    14,485.52x = 100,524,476.48
  5. Step 5: Solve for x
    x = 100,524,476.48/14,485.52
  6. Step 6: Final answer
    x = 6,939.65

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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.