Home / 15,232.44-21,021.24-8,518.35

Finding the Fourth Proportional to 15,232.44, 21,021.24 and 8,518.35

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Solution

The fourth proportional to 15,232.44, 21,021.24 and 8,518.35 is: 11,755.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,232.44 : 21,021.24 = 8,518.35 : x
  2. Step 2: Convert to fraction form
    15,232.44/21,021.24 = 8,518.35/x
  3. Step 3: Cross multiply
    15,232.44x = 21,021.24 × 8,518.35
  4. Step 4: Simplify right side
    15,232.44x = 179,066,279.75
  5. Step 5: Solve for x
    x = 179,066,279.75/15,232.44
  6. Step 6: Final answer
    x = 11,755.59

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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.