Home / 18,276.21-27,416.40-9,968.37

Finding the Fourth Proportional to 18,276.21, 27,416.40 and 9,968.37

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Solution

The fourth proportional to 18,276.21, 27,416.40 and 9,968.37 is: 14,953.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.21 : 27,416.40 = 9,968.37 : x
  2. Step 2: Convert to fraction form
    18,276.21/27,416.40 = 9,968.37/x
  3. Step 3: Cross multiply
    18,276.21x = 27,416.40 × 9,968.37
  4. Step 4: Simplify right side
    18,276.21x = 273,296,819.27
  5. Step 5: Solve for x
    x = 273,296,819.27/18,276.21
  6. Step 6: Final answer
    x = 14,953.69

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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.