Home / 19,577.09-27,015.77-10,963.30

Finding the Fourth Proportional to 19,577.09, 27,015.77 and 10,963.30

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Solution

The fourth proportional to 19,577.09, 27,015.77 and 10,963.30 is: 15,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.09 : 27,015.77 = 10,963.30 : x
  2. Step 2: Convert to fraction form
    19,577.09/27,015.77 = 10,963.30/x
  3. Step 3: Cross multiply
    19,577.09x = 27,015.77 × 10,963.30
  4. Step 4: Simplify right side
    19,577.09x = 296,181,991.24
  5. Step 5: Solve for x
    x = 296,181,991.24/19,577.09
  6. Step 6: Final answer
    x = 15,129.01

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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.