Home / 15,546.07-21,453.54-8,472.49

Finding the Fourth Proportional to 15,546.07, 21,453.54 and 8,472.49

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Solution

The fourth proportional to 15,546.07, 21,453.54 and 8,472.49 is: 11,692.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546.07 : 21,453.54 = 8,472.49 : x
  2. Step 2: Convert to fraction form
    15,546.07/21,453.54 = 8,472.49/x
  3. Step 3: Cross multiply
    15,546.07x = 21,453.54 × 8,472.49
  4. Step 4: Simplify right side
    15,546.07x = 181,764,903.11
  5. Step 5: Solve for x
    x = 181,764,903.11/15,546.07
  6. Step 6: Final answer
    x = 11,692.02

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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.