Home / 19,899.75-27,460.62-10,947.03

Finding the Fourth Proportional to 19,899.75, 27,460.62 and 10,947.03

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Solution

The fourth proportional to 19,899.75, 27,460.62 and 10,947.03 is: 15,106.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.75 : 27,460.62 = 10,947.03 : x
  2. Step 2: Convert to fraction form
    19,899.75/27,460.62 = 10,947.03/x
  3. Step 3: Cross multiply
    19,899.75x = 27,460.62 × 10,947.03
  4. Step 4: Simplify right side
    19,899.75x = 300,612,230.96
  5. Step 5: Solve for x
    x = 300,612,230.96/19,899.75
  6. Step 6: Final answer
    x = 15,106.33

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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.