Home / 19,009.35-28,514.25-11,514.54

Finding the Fourth Proportional to 19,009.35, 28,514.25 and 11,514.54

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Solution

The fourth proportional to 19,009.35, 28,514.25 and 11,514.54 is: 17,271.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.35 : 28,514.25 = 11,514.54 : x
  2. Step 2: Convert to fraction form
    19,009.35/28,514.25 = 11,514.54/x
  3. Step 3: Cross multiply
    19,009.35x = 28,514.25 × 11,514.54
  4. Step 4: Simplify right side
    19,009.35x = 328,328,579.12
  5. Step 5: Solve for x
    x = 328,328,579.12/19,009.35
  6. Step 6: Final answer
    x = 17,271.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.