Home / 19,040.16-28,511.04-13,135.26

Finding the Fourth Proportional to 19,040.16, 28,511.04 and 13,135.26

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Solution

The fourth proportional to 19,040.16, 28,511.04 and 13,135.26 is: 19,668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.16 : 28,511.04 = 13,135.26 : x
  2. Step 2: Convert to fraction form
    19,040.16/28,511.04 = 13,135.26/x
  3. Step 3: Cross multiply
    19,040.16x = 28,511.04 × 13,135.26
  4. Step 4: Simplify right side
    19,040.16x = 374,499,923.27
  5. Step 5: Solve for x
    x = 374,499,923.27/19,040.16
  6. Step 6: Final answer
    x = 19,668.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.