Home / 14,981.57-20,673.06-8,267.48

Finding the Fourth Proportional to 14,981.57, 20,673.06 and 8,267.48

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Solution

The fourth proportional to 14,981.57, 20,673.06 and 8,267.48 is: 11,408.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.57 : 20,673.06 = 8,267.48 : x
  2. Step 2: Convert to fraction form
    14,981.57/20,673.06 = 8,267.48/x
  3. Step 3: Cross multiply
    14,981.57x = 20,673.06 × 8,267.48
  4. Step 4: Simplify right side
    14,981.57x = 170,914,110.09
  5. Step 5: Solve for x
    x = 170,914,110.09/14,981.57
  6. Step 6: Final answer
    x = 11,408.29

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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.