Home / 19,016.16-28,480.71-11,604.30

Finding the Fourth Proportional to 19,016.16, 28,480.71 and 11,604.30

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Solution

The fourth proportional to 19,016.16, 28,480.71 and 11,604.30 is: 17,379.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016.16 : 28,480.71 = 11,604.30 : x
  2. Step 2: Convert to fraction form
    19,016.16/28,480.71 = 11,604.30/x
  3. Step 3: Cross multiply
    19,016.16x = 28,480.71 × 11,604.30
  4. Step 4: Simplify right side
    19,016.16x = 330,498,703.05
  5. Step 5: Solve for x
    x = 330,498,703.05/19,016.16
  6. Step 6: Final answer
    x = 17,379.89

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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.