Home / 19,196.51-28,826.10-11,847.74

Finding the Fourth Proportional to 19,196.51, 28,826.10 and 11,847.74

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Solution

The fourth proportional to 19,196.51, 28,826.10 and 11,847.74 is: 17,790.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,196.51 : 28,826.10 = 11,847.74 : x
  2. Step 2: Convert to fraction form
    19,196.51/28,826.10 = 11,847.74/x
  3. Step 3: Cross multiply
    19,196.51x = 28,826.10 × 11,847.74
  4. Step 4: Simplify right side
    19,196.51x = 341,523,993.88
  5. Step 5: Solve for x
    x = 341,523,993.88/19,196.51
  6. Step 6: Final answer
    x = 17,790.95

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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.