Home / 18,670.44-25,764.45-10,172.42

Finding the Fourth Proportional to 18,670.44, 25,764.45 and 10,172.42

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Solution

The fourth proportional to 18,670.44, 25,764.45 and 10,172.42 is: 14,037.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670.44 : 25,764.45 = 10,172.42 : x
  2. Step 2: Convert to fraction form
    18,670.44/25,764.45 = 10,172.42/x
  3. Step 3: Cross multiply
    18,670.44x = 25,764.45 × 10,172.42
  4. Step 4: Simplify right side
    18,670.44x = 262,086,677.65
  5. Step 5: Solve for x
    x = 262,086,677.65/18,670.44
  6. Step 6: Final answer
    x = 14,037.52

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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.