Home / 25,288.62-34,879.05-19,339.98

Finding the Fourth Proportional to 25,288.62, 34,879.05 and 19,339.98

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Solution

The fourth proportional to 25,288.62, 34,879.05 and 19,339.98 is: 26,674.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,288.62 : 34,879.05 = 19,339.98 : x
  2. Step 2: Convert to fraction form
    25,288.62/34,879.05 = 19,339.98/x
  3. Step 3: Cross multiply
    25,288.62x = 34,879.05 × 19,339.98
  4. Step 4: Simplify right side
    25,288.62x = 674,560,129.42
  5. Step 5: Solve for x
    x = 674,560,129.42/25,288.62
  6. Step 6: Final answer
    x = 26,674.45

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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.