Home / 19,971.24-27,559.85-11,018.73

Finding the Fourth Proportional to 19,971.24, 27,559.85 and 11,018.73

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Solution

The fourth proportional to 19,971.24, 27,559.85 and 11,018.73 is: 15,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971.24 : 27,559.85 = 11,018.73 : x
  2. Step 2: Convert to fraction form
    19,971.24/27,559.85 = 11,018.73/x
  3. Step 3: Cross multiply
    19,971.24x = 27,559.85 × 11,018.73
  4. Step 4: Simplify right side
    19,971.24x = 303,674,594.25
  5. Step 5: Solve for x
    x = 303,674,594.25/19,971.24
  6. Step 6: Final answer
    x = 15,205.60

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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.