Home / 15,237.66-21,029.72-8,524.99

Finding the Fourth Proportional to 15,237.66, 21,029.72 and 8,524.99

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Solution

The fourth proportional to 15,237.66, 21,029.72 and 8,524.99 is: 11,765.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,237.66 : 21,029.72 = 8,524.99 : x
  2. Step 2: Convert to fraction form
    15,237.66/21,029.72 = 8,524.99/x
  3. Step 3: Cross multiply
    15,237.66x = 21,029.72 × 8,524.99
  4. Step 4: Simplify right side
    15,237.66x = 179,278,057.50
  5. Step 5: Solve for x
    x = 179,278,057.50/15,237.66
  6. Step 6: Final answer
    x = 11,765.46

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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.