Home / 17,269.89-23,775.36-15,498.42

Finding the Fourth Proportional to 17,269.89, 23,775.36 and 15,498.42

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Solution

The fourth proportional to 17,269.89, 23,775.36 and 15,498.42 is: 21,336.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,269.89 : 23,775.36 = 15,498.42 : x
  2. Step 2: Convert to fraction form
    17,269.89/23,775.36 = 15,498.42/x
  3. Step 3: Cross multiply
    17,269.89x = 23,775.36 × 15,498.42
  4. Step 4: Simplify right side
    17,269.89x = 368,480,514.93
  5. Step 5: Solve for x
    x = 368,480,514.93/17,269.89
  6. Step 6: Final answer
    x = 21,336.59

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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.