Home / 19,177.70-28,612.50-17,072.72

Finding the Fourth Proportional to 19,177.70, 28,612.50 and 17,072.72

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Solution

The fourth proportional to 19,177.70, 28,612.50 and 17,072.72 is: 25,471.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177.70 : 28,612.50 = 17,072.72 : x
  2. Step 2: Convert to fraction form
    19,177.70/28,612.50 = 17,072.72/x
  3. Step 3: Cross multiply
    19,177.70x = 28,612.50 × 17,072.72
  4. Step 4: Simplify right side
    19,177.70x = 488,493,201.00
  5. Step 5: Solve for x
    x = 488,493,201.00/19,177.70
  6. Step 6: Final answer
    x = 25,471.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.