Home / 19,230.08-28,845.36-7,548.80

Finding the Fourth Proportional to 19,230.08, 28,845.36 and 7,548.80

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Solution

The fourth proportional to 19,230.08, 28,845.36 and 7,548.80 is: 11,323.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230.08 : 28,845.36 = 7,548.80 : x
  2. Step 2: Convert to fraction form
    19,230.08/28,845.36 = 7,548.80/x
  3. Step 3: Cross multiply
    19,230.08x = 28,845.36 × 7,548.80
  4. Step 4: Simplify right side
    19,230.08x = 217,747,853.57
  5. Step 5: Solve for x
    x = 217,747,853.57/19,230.08
  6. Step 6: Final answer
    x = 11,323.29

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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.