Home / 14,170.72-19,556.08-7,883.52

Finding the Fourth Proportional to 14,170.72, 19,556.08 and 7,883.52

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Solution

The fourth proportional to 14,170.72, 19,556.08 and 7,883.52 is: 10,879.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.72 : 19,556.08 = 7,883.52 : x
  2. Step 2: Convert to fraction form
    14,170.72/19,556.08 = 7,883.52/x
  3. Step 3: Cross multiply
    14,170.72x = 19,556.08 × 7,883.52
  4. Step 4: Simplify right side
    14,170.72x = 154,170,747.80
  5. Step 5: Solve for x
    x = 154,170,747.80/14,170.72
  6. Step 6: Final answer
    x = 10,879.53

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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.