Home / 15,524.25-21,423.57-8,450.73

Finding the Fourth Proportional to 15,524.25, 21,423.57 and 8,450.73

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Solution

The fourth proportional to 15,524.25, 21,423.57 and 8,450.73 is: 11,662.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,524.25 : 21,423.57 = 8,450.73 : x
  2. Step 2: Convert to fraction form
    15,524.25/21,423.57 = 8,450.73/x
  3. Step 3: Cross multiply
    15,524.25x = 21,423.57 × 8,450.73
  4. Step 4: Simplify right side
    15,524.25x = 181,044,805.71
  5. Step 5: Solve for x
    x = 181,044,805.71/15,524.25
  6. Step 6: Final answer
    x = 11,662.06

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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.