Home / 19,085.88-28,632.48-5,937.78

Finding the Fourth Proportional to 19,085.88, 28,632.48 and 5,937.78

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Solution

The fourth proportional to 19,085.88, 28,632.48 and 5,937.78 is: 8,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085.88 : 28,632.48 = 5,937.78 : x
  2. Step 2: Convert to fraction form
    19,085.88/28,632.48 = 5,937.78/x
  3. Step 3: Cross multiply
    19,085.88x = 28,632.48 × 5,937.78
  4. Step 4: Simplify right side
    19,085.88x = 170,013,367.09
  5. Step 5: Solve for x
    x = 170,013,367.09/19,085.88
  6. Step 6: Final answer
    x = 8,907.81

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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.