Home / 18,714.36-25,825.14-10,330.68

Finding the Fourth Proportional to 18,714.36, 25,825.14 and 10,330.68

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Solution

The fourth proportional to 18,714.36, 25,825.14 and 10,330.68 is: 14,255.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714.36 : 25,825.14 = 10,330.68 : x
  2. Step 2: Convert to fraction form
    18,714.36/25,825.14 = 10,330.68/x
  3. Step 3: Cross multiply
    18,714.36x = 25,825.14 × 10,330.68
  4. Step 4: Simplify right side
    18,714.36x = 266,791,257.30
  5. Step 5: Solve for x
    x = 266,791,257.30/18,714.36
  6. Step 6: Final answer
    x = 14,255.96

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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.