Home / 19,065.23-28,592.11-7,215.03

Finding the Fourth Proportional to 19,065.23, 28,592.11 and 7,215.03

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Solution

The fourth proportional to 19,065.23, 28,592.11 and 7,215.03 is: 10,820.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.23 : 28,592.11 = 7,215.03 : x
  2. Step 2: Convert to fraction form
    19,065.23/28,592.11 = 7,215.03/x
  3. Step 3: Cross multiply
    19,065.23x = 28,592.11 × 7,215.03
  4. Step 4: Simplify right side
    19,065.23x = 206,292,940.43
  5. Step 5: Solve for x
    x = 206,292,940.43/19,065.23
  6. Step 6: Final answer
    x = 10,820.38

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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.