Home / 19,975.28-27,565.99-11,022.77

Finding the Fourth Proportional to 19,975.28, 27,565.99 and 11,022.77

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Solution

The fourth proportional to 19,975.28, 27,565.99 and 11,022.77 is: 15,211.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,975.28 : 27,565.99 = 11,022.77 : x
  2. Step 2: Convert to fraction form
    19,975.28/27,565.99 = 11,022.77/x
  3. Step 3: Cross multiply
    19,975.28x = 27,565.99 × 11,022.77
  4. Step 4: Simplify right side
    19,975.28x = 303,853,608.95
  5. Step 5: Solve for x
    x = 303,853,608.95/19,975.28
  6. Step 6: Final answer
    x = 15,211.49

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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.