Home / 19,151.26-28,727.64-6,672.56

Finding the Fourth Proportional to 19,151.26, 28,727.64 and 6,672.56

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Solution

The fourth proportional to 19,151.26, 28,727.64 and 6,672.56 is: 10,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.26 : 28,727.64 = 6,672.56 : x
  2. Step 2: Convert to fraction form
    19,151.26/28,727.64 = 6,672.56/x
  3. Step 3: Cross multiply
    19,151.26x = 28,727.64 × 6,672.56
  4. Step 4: Simplify right side
    19,151.26x = 191,686,757.92
  5. Step 5: Solve for x
    x = 191,686,757.92/19,151.26
  6. Step 6: Final answer
    x = 10,009.10

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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.