Home / 19,571.56-27,006.66-11,187.88

Finding the Fourth Proportional to 19,571.56, 27,006.66 and 11,187.88

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Solution

The fourth proportional to 19,571.56, 27,006.66 and 11,187.88 is: 15,438.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.56 : 27,006.66 = 11,187.88 : x
  2. Step 2: Convert to fraction form
    19,571.56/27,006.66 = 11,187.88/x
  3. Step 3: Cross multiply
    19,571.56x = 27,006.66 × 11,187.88
  4. Step 4: Simplify right side
    19,571.56x = 302,147,271.28
  5. Step 5: Solve for x
    x = 302,147,271.28/19,571.56
  6. Step 6: Final answer
    x = 15,438.08

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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.