Home / 14,110.29-21,166.11-11,640.53

Finding the Fourth Proportional to 14,110.29, 21,166.11 and 11,640.53

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Solution

The fourth proportional to 14,110.29, 21,166.11 and 11,640.53 is: 17,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.29 : 21,166.11 = 11,640.53 : x
  2. Step 2: Convert to fraction form
    14,110.29/21,166.11 = 11,640.53/x
  3. Step 3: Cross multiply
    14,110.29x = 21,166.11 × 11,640.53
  4. Step 4: Simplify right side
    14,110.29x = 246,384,738.44
  5. Step 5: Solve for x
    x = 246,384,738.44/14,110.29
  6. Step 6: Final answer
    x = 17,461.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.