Home / 19,577.34-27,015.66-11,080.44

Finding the Fourth Proportional to 19,577.34, 27,015.66 and 11,080.44

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Solution

The fourth proportional to 19,577.34, 27,015.66 and 11,080.44 is: 15,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.34 : 27,015.66 = 11,080.44 : x
  2. Step 2: Convert to fraction form
    19,577.34/27,015.66 = 11,080.44/x
  3. Step 3: Cross multiply
    19,577.34x = 27,015.66 × 11,080.44
  4. Step 4: Simplify right side
    19,577.34x = 299,345,399.69
  5. Step 5: Solve for x
    x = 299,345,399.69/19,577.34
  6. Step 6: Final answer
    x = 15,290.40

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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.