Home / 19,315.44-28,965.69-8,227.26

Finding the Fourth Proportional to 19,315.44, 28,965.69 and 8,227.26

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Solution

The fourth proportional to 19,315.44, 28,965.69 and 8,227.26 is: 12,337.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315.44 : 28,965.69 = 8,227.26 : x
  2. Step 2: Convert to fraction form
    19,315.44/28,965.69 = 8,227.26/x
  3. Step 3: Cross multiply
    19,315.44x = 28,965.69 × 8,227.26
  4. Step 4: Simplify right side
    19,315.44x = 238,308,262.71
  5. Step 5: Solve for x
    x = 238,308,262.71/19,315.44
  6. Step 6: Final answer
    x = 12,337.71

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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.