Home / 19,959.22-27,543.36-11,007.55

Finding the Fourth Proportional to 19,959.22, 27,543.36 and 11,007.55

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Solution

The fourth proportional to 19,959.22, 27,543.36 and 11,007.55 is: 15,190.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959.22 : 27,543.36 = 11,007.55 : x
  2. Step 2: Convert to fraction form
    19,959.22/27,543.36 = 11,007.55/x
  3. Step 3: Cross multiply
    19,959.22x = 27,543.36 × 11,007.55
  4. Step 4: Simplify right side
    19,959.22x = 303,184,912.37
  5. Step 5: Solve for x
    x = 303,184,912.37/19,959.22
  6. Step 6: Final answer
    x = 15,190.22

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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.