Home / 20,068.53-27,694.77-12,109.22

Finding the Fourth Proportional to 20,068.53, 27,694.77 and 12,109.22

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Solution

The fourth proportional to 20,068.53, 27,694.77 and 12,109.22 is: 16,710.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.53 : 27,694.77 = 12,109.22 : x
  2. Step 2: Convert to fraction form
    20,068.53/27,694.77 = 12,109.22/x
  3. Step 3: Cross multiply
    20,068.53x = 27,694.77 × 12,109.22
  4. Step 4: Simplify right side
    20,068.53x = 335,362,062.78
  5. Step 5: Solve for x
    x = 335,362,062.78/20,068.53
  6. Step 6: Final answer
    x = 16,710.84

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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.