Home / 19,843.04-27,370.80-12,182.96

Finding the Fourth Proportional to 19,843.04, 27,370.80 and 12,182.96

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Solution

The fourth proportional to 19,843.04, 27,370.80 and 12,182.96 is: 16,804.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,843.04 : 27,370.80 = 12,182.96 : x
  2. Step 2: Convert to fraction form
    19,843.04/27,370.80 = 12,182.96/x
  3. Step 3: Cross multiply
    19,843.04x = 27,370.80 × 12,182.96
  4. Step 4: Simplify right side
    19,843.04x = 333,457,361.57
  5. Step 5: Solve for x
    x = 333,457,361.57/19,843.04
  6. Step 6: Final answer
    x = 16,804.75

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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.