Home / 19,222.26-28,849.59-7,543.68

Finding the Fourth Proportional to 19,222.26, 28,849.59 and 7,543.68

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Solution

The fourth proportional to 19,222.26, 28,849.59 and 7,543.68 is: 11,321.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,222.26 : 28,849.59 = 7,543.68 : x
  2. Step 2: Convert to fraction form
    19,222.26/28,849.59 = 7,543.68/x
  3. Step 3: Cross multiply
    19,222.26x = 28,849.59 × 7,543.68
  4. Step 4: Simplify right side
    19,222.26x = 217,632,075.09
  5. Step 5: Solve for x
    x = 217,632,075.09/19,222.26
  6. Step 6: Final answer
    x = 11,321.88

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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.