Home / 15,524.01-21,423.03-8,450.43

Finding the Fourth Proportional to 15,524.01, 21,423.03 and 8,450.43

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Solution

The fourth proportional to 15,524.01, 21,423.03 and 8,450.43 is: 11,661.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,524.01 : 21,423.03 = 8,450.43 : x
  2. Step 2: Convert to fraction form
    15,524.01/21,423.03 = 8,450.43/x
  3. Step 3: Cross multiply
    15,524.01x = 21,423.03 × 8,450.43
  4. Step 4: Simplify right side
    15,524.01x = 181,033,815.40
  5. Step 5: Solve for x
    x = 181,033,815.40/15,524.01
  6. Step 6: Final answer
    x = 11,661.54

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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.