Home / 14,201.78-19,599.91-8,538.37

Finding the Fourth Proportional to 14,201.78, 19,599.91 and 8,538.37

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Solution

The fourth proportional to 14,201.78, 19,599.91 and 8,538.37 is: 11,783.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201.78 : 19,599.91 = 8,538.37 : x
  2. Step 2: Convert to fraction form
    14,201.78/19,599.91 = 8,538.37/x
  3. Step 3: Cross multiply
    14,201.78x = 19,599.91 × 8,538.37
  4. Step 4: Simplify right side
    14,201.78x = 167,351,213.20
  5. Step 5: Solve for x
    x = 167,351,213.20/14,201.78
  6. Step 6: Final answer
    x = 11,783.82

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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.