Home / 19,177.95-28,612.89-17,072.97

Finding the Fourth Proportional to 19,177.95, 28,612.89 and 17,072.97

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Solution

The fourth proportional to 19,177.95, 28,612.89 and 17,072.97 is: 25,472.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177.95 : 28,612.89 = 17,072.97 : x
  2. Step 2: Convert to fraction form
    19,177.95/28,612.89 = 17,072.97/x
  3. Step 3: Cross multiply
    19,177.95x = 28,612.89 × 17,072.97
  4. Step 4: Simplify right side
    19,177.95x = 488,507,012.58
  5. Step 5: Solve for x
    x = 488,507,012.58/19,177.95
  6. Step 6: Final answer
    x = 25,472.33

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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.