Home / 17,005.56-23,409.44-14,754.20

Finding the Fourth Proportional to 17,005.56, 23,409.44 and 14,754.20

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Solution

The fourth proportional to 17,005.56, 23,409.44 and 14,754.20 is: 20,310.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,005.56 : 23,409.44 = 14,754.20 : x
  2. Step 2: Convert to fraction form
    17,005.56/23,409.44 = 14,754.20/x
  3. Step 3: Cross multiply
    17,005.56x = 23,409.44 × 14,754.20
  4. Step 4: Simplify right side
    17,005.56x = 345,387,559.65
  5. Step 5: Solve for x
    x = 345,387,559.65/17,005.56
  6. Step 6: Final answer
    x = 20,310.27

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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.