Home / 19,852.56-27,396.77-10,899.90

Finding the Fourth Proportional to 19,852.56, 27,396.77 and 10,899.90

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Solution

The fourth proportional to 19,852.56, 27,396.77 and 10,899.90 is: 15,041.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,852.56 : 27,396.77 = 10,899.90 : x
  2. Step 2: Convert to fraction form
    19,852.56/27,396.77 = 10,899.90/x
  3. Step 3: Cross multiply
    19,852.56x = 27,396.77 × 10,899.90
  4. Step 4: Simplify right side
    19,852.56x = 298,621,998.82
  5. Step 5: Solve for x
    x = 298,621,998.82/19,852.56
  6. Step 6: Final answer
    x = 15,041.99

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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.