Home / 19,190.52-28,794.42-10,412.28

Finding the Fourth Proportional to 19,190.52, 28,794.42 and 10,412.28

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Solution

The fourth proportional to 19,190.52, 28,794.42 and 10,412.28 is: 15,623.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.52 : 28,794.42 = 10,412.28 : x
  2. Step 2: Convert to fraction form
    19,190.52/28,794.42 = 10,412.28/x
  3. Step 3: Cross multiply
    19,190.52x = 28,794.42 × 10,412.28
  4. Step 4: Simplify right side
    19,190.52x = 299,815,563.48
  5. Step 5: Solve for x
    x = 299,815,563.48/19,190.52
  6. Step 6: Final answer
    x = 15,623.11

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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.