Home / 13,450.66-18,566.89-11,554.63

Finding the Fourth Proportional to 13,450.66, 18,566.89 and 11,554.63

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Solution

The fourth proportional to 13,450.66, 18,566.89 and 11,554.63 is: 15,949.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.66 : 18,566.89 = 11,554.63 : x
  2. Step 2: Convert to fraction form
    13,450.66/18,566.89 = 11,554.63/x
  3. Step 3: Cross multiply
    13,450.66x = 18,566.89 × 11,554.63
  4. Step 4: Simplify right side
    13,450.66x = 214,533,468.90
  5. Step 5: Solve for x
    x = 214,533,468.90/13,450.66
  6. Step 6: Final answer
    x = 15,949.66

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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.