Home / 17,956.21-24,778.49-10,402.05

Finding the Fourth Proportional to 17,956.21, 24,778.49 and 10,402.05

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Solution

The fourth proportional to 17,956.21, 24,778.49 and 10,402.05 is: 14,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,956.21 : 24,778.49 = 10,402.05 : x
  2. Step 2: Convert to fraction form
    17,956.21/24,778.49 = 10,402.05/x
  3. Step 3: Cross multiply
    17,956.21x = 24,778.49 × 10,402.05
  4. Step 4: Simplify right side
    17,956.21x = 257,747,091.90
  5. Step 5: Solve for x
    x = 257,747,091.90/17,956.21
  6. Step 6: Final answer
    x = 14,354.20

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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.