Home / 18,910.21-26,096.10-10,412.37

Finding the Fourth Proportional to 18,910.21, 26,096.10 and 10,412.37

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Solution

The fourth proportional to 18,910.21, 26,096.10 and 10,412.37 is: 14,369.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910.21 : 26,096.10 = 10,412.37 : x
  2. Step 2: Convert to fraction form
    18,910.21/26,096.10 = 10,412.37/x
  3. Step 3: Cross multiply
    18,910.21x = 26,096.10 × 10,412.37
  4. Step 4: Simplify right side
    18,910.21x = 271,722,248.76
  5. Step 5: Solve for x
    x = 271,722,248.76/18,910.21
  6. Step 6: Final answer
    x = 14,369.08

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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.