Home / 13,163.23-19,748.69-4,404.30

Finding the Fourth Proportional to 13,163.23, 19,748.69 and 4,404.30

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Solution

The fourth proportional to 13,163.23, 19,748.69 and 4,404.30 is: 6,607.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163.23 : 19,748.69 = 4,404.30 : x
  2. Step 2: Convert to fraction form
    13,163.23/19,748.69 = 4,404.30/x
  3. Step 3: Cross multiply
    13,163.23x = 19,748.69 × 4,404.30
  4. Step 4: Simplify right side
    13,163.23x = 86,979,155.37
  5. Step 5: Solve for x
    x = 86,979,155.37/13,163.23
  6. Step 6: Final answer
    x = 6,607.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.