Home / 19,960.22-27,544.74-11,008.55

Finding the Fourth Proportional to 19,960.22, 27,544.74 and 11,008.55

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Solution

The fourth proportional to 19,960.22, 27,544.74 and 11,008.55 is: 15,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.22 : 27,544.74 = 11,008.55 : x
  2. Step 2: Convert to fraction form
    19,960.22/27,544.74 = 11,008.55/x
  3. Step 3: Cross multiply
    19,960.22x = 27,544.74 × 11,008.55
  4. Step 4: Simplify right side
    19,960.22x = 303,227,647.53
  5. Step 5: Solve for x
    x = 303,227,647.53/19,960.22
  6. Step 6: Final answer
    x = 15,191.60

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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.