Home / 15,546.02-21,453.48-8,472.44

Finding the Fourth Proportional to 15,546.02, 21,453.48 and 8,472.44

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Solution

The fourth proportional to 15,546.02, 21,453.48 and 8,472.44 is: 11,691.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546.02 : 21,453.48 = 8,472.44 : x
  2. Step 2: Convert to fraction form
    15,546.02/21,453.48 = 8,472.44/x
  3. Step 3: Cross multiply
    15,546.02x = 21,453.48 × 8,472.44
  4. Step 4: Simplify right side
    15,546.02x = 181,763,322.09
  5. Step 5: Solve for x
    x = 181,763,322.09/15,546.02
  6. Step 6: Final answer
    x = 11,691.95

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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.