Home / 19,164.27-28,712.21-10,393.59

Finding the Fourth Proportional to 19,164.27, 28,712.21 and 10,393.59

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Solution

The fourth proportional to 19,164.27, 28,712.21 and 10,393.59 is: 15,571.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.27 : 28,712.21 = 10,393.59 : x
  2. Step 2: Convert to fraction form
    19,164.27/28,712.21 = 10,393.59/x
  3. Step 3: Cross multiply
    19,164.27x = 28,712.21 × 10,393.59
  4. Step 4: Simplify right side
    19,164.27x = 298,422,886.77
  5. Step 5: Solve for x
    x = 298,422,886.77/19,164.27
  6. Step 6: Final answer
    x = 15,571.84

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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.