Home / 18,910.76-26,096.64-10,412.72

Finding the Fourth Proportional to 18,910.76, 26,096.64 and 10,412.72

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Solution

The fourth proportional to 18,910.76, 26,096.64 and 10,412.72 is: 14,369.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910.76 : 26,096.64 = 10,412.72 : x
  2. Step 2: Convert to fraction form
    18,910.76/26,096.64 = 10,412.72/x
  3. Step 3: Cross multiply
    18,910.76x = 26,096.64 × 10,412.72
  4. Step 4: Simplify right side
    18,910.76x = 271,736,874.78
  5. Step 5: Solve for x
    x = 271,736,874.78/18,910.76
  6. Step 6: Final answer
    x = 14,369.44

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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.