Home / 19,021.24-28,536.81-7,330.60

Finding the Fourth Proportional to 19,021.24, 28,536.81 and 7,330.60

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Solution

The fourth proportional to 19,021.24, 28,536.81 and 7,330.60 is: 10,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,021.24 : 28,536.81 = 7,330.60 : x
  2. Step 2: Convert to fraction form
    19,021.24/28,536.81 = 7,330.60/x
  3. Step 3: Cross multiply
    19,021.24x = 28,536.81 × 7,330.60
  4. Step 4: Simplify right side
    19,021.24x = 209,191,939.39
  5. Step 5: Solve for x
    x = 209,191,939.39/19,021.24
  6. Step 6: Final answer
    x = 10,997.81

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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.