Home / 19,172.08-26,455.44-10,786.96

Finding the Fourth Proportional to 19,172.08, 26,455.44 and 10,786.96

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Solution

The fourth proportional to 19,172.08, 26,455.44 and 10,786.96 is: 14,884.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172.08 : 26,455.44 = 10,786.96 : x
  2. Step 2: Convert to fraction form
    19,172.08/26,455.44 = 10,786.96/x
  3. Step 3: Cross multiply
    19,172.08x = 26,455.44 × 10,786.96
  4. Step 4: Simplify right side
    19,172.08x = 285,373,773.06
  5. Step 5: Solve for x
    x = 285,373,773.06/19,172.08
  6. Step 6: Final answer
    x = 14,884.86

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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.