Home / 19,064.91-28,743.63-17,778.65

Finding the Fourth Proportional to 19,064.91, 28,743.63 and 17,778.65

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Solution

The fourth proportional to 19,064.91, 28,743.63 and 17,778.65 is: 26,804.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,064.91 : 28,743.63 = 17,778.65 : x
  2. Step 2: Convert to fraction form
    19,064.91/28,743.63 = 17,778.65/x
  3. Step 3: Cross multiply
    19,064.91x = 28,743.63 × 17,778.65
  4. Step 4: Simplify right side
    19,064.91x = 511,022,793.78
  5. Step 5: Solve for x
    x = 511,022,793.78/19,064.91
  6. Step 6: Final answer
    x = 26,804.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.