Home / 15,239.23-21,029.65-8,524.97

Finding the Fourth Proportional to 15,239.23, 21,029.65 and 8,524.97

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Solution

The fourth proportional to 15,239.23, 21,029.65 and 8,524.97 is: 11,764.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239.23 : 21,029.65 = 8,524.97 : x
  2. Step 2: Convert to fraction form
    15,239.23/21,029.65 = 8,524.97/x
  3. Step 3: Cross multiply
    15,239.23x = 21,029.65 × 8,524.97
  4. Step 4: Simplify right side
    15,239.23x = 179,277,135.36
  5. Step 5: Solve for x
    x = 179,277,135.36/15,239.23
  6. Step 6: Final answer
    x = 11,764.19

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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.