Home / 19,065.54-28,394.97-17,934.78

Finding the Fourth Proportional to 19,065.54, 28,394.97 and 17,934.78

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Solution

The fourth proportional to 19,065.54, 28,394.97 and 17,934.78 is: 26,710.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.54 : 28,394.97 = 17,934.78 : x
  2. Step 2: Convert to fraction form
    19,065.54/28,394.97 = 17,934.78/x
  3. Step 3: Cross multiply
    19,065.54x = 28,394.97 × 17,934.78
  4. Step 4: Simplify right side
    19,065.54x = 509,257,540.06
  5. Step 5: Solve for x
    x = 509,257,540.06/19,065.54
  6. Step 6: Final answer
    x = 26,710.89

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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.