Home / 19,743.09-27,245.40-10,790.60

Finding the Fourth Proportional to 19,743.09, 27,245.40 and 10,790.60

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Solution

The fourth proportional to 19,743.09, 27,245.40 and 10,790.60 is: 14,890.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,743.09 : 27,245.40 = 10,790.60 : x
  2. Step 2: Convert to fraction form
    19,743.09/27,245.40 = 10,790.60/x
  3. Step 3: Cross multiply
    19,743.09x = 27,245.40 × 10,790.60
  4. Step 4: Simplify right side
    19,743.09x = 293,994,077.01
  5. Step 5: Solve for x
    x = 293,994,077.01/19,743.09
  6. Step 6: Final answer
    x = 14,890.99

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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.