Home / 14,981.12-20,674.50-8,267

Finding the Fourth Proportional to 14,981.12, 20,674.50 and 8,267

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Solution

The fourth proportional to 14,981.12, 20,674.50 and 8,267 is: 11,408.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.12 : 20,674.50 = 8,267 : x
  2. Step 2: Convert to fraction form
    14,981.12/20,674.50 = 8,267/x
  3. Step 3: Cross multiply
    14,981.12x = 20,674.50 × 8,267
  4. Step 4: Simplify right side
    14,981.12x = 170,916,091.50
  5. Step 5: Solve for x
    x = 170,916,091.50/14,981.12
  6. Step 6: Final answer
    x = 11,408.77

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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.