Home / 19,141.66-28,638.60-19,092.43

Finding the Fourth Proportional to 19,141.66, 28,638.60 and 19,092.43

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Solution

The fourth proportional to 19,141.66, 28,638.60 and 19,092.43 is: 28,564.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141.66 : 28,638.60 = 19,092.43 : x
  2. Step 2: Convert to fraction form
    19,141.66/28,638.60 = 19,092.43/x
  3. Step 3: Cross multiply
    19,141.66x = 28,638.60 × 19,092.43
  4. Step 4: Simplify right side
    19,141.66x = 546,780,465.80
  5. Step 5: Solve for x
    x = 546,780,465.80/19,141.66
  6. Step 6: Final answer
    x = 28,564.95

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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.