Home / 19,514.76-26,928.66-11,555.64

Finding the Fourth Proportional to 19,514.76, 26,928.66 and 11,555.64

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Solution

The fourth proportional to 19,514.76, 26,928.66 and 11,555.64 is: 15,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,514.76 : 26,928.66 = 11,555.64 : x
  2. Step 2: Convert to fraction form
    19,514.76/26,928.66 = 11,555.64/x
  3. Step 3: Cross multiply
    19,514.76x = 26,928.66 × 11,555.64
  4. Step 4: Simplify right side
    19,514.76x = 311,177,900.64
  5. Step 5: Solve for x
    x = 311,177,900.64/19,514.76
  6. Step 6: Final answer
    x = 15,945.77

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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.