Home / 19,219.68-28,668.06-17,447.94

Finding the Fourth Proportional to 19,219.68, 28,668.06 and 17,447.94

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Solution

The fourth proportional to 19,219.68, 28,668.06 and 17,447.94 is: 26,025.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.68 : 28,668.06 = 17,447.94 : x
  2. Step 2: Convert to fraction form
    19,219.68/28,668.06 = 17,447.94/x
  3. Step 3: Cross multiply
    19,219.68x = 28,668.06 × 17,447.94
  4. Step 4: Simplify right side
    19,219.68x = 500,198,590.80
  5. Step 5: Solve for x
    x = 500,198,590.80/19,219.68
  6. Step 6: Final answer
    x = 26,025.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.