Home / 27,949.95-38,566.62-16,619.22

Finding the Fourth Proportional to 27,949.95, 38,566.62 and 16,619.22

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Solution

The fourth proportional to 27,949.95, 38,566.62 and 16,619.22 is: 22,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,949.95 : 38,566.62 = 16,619.22 : x
  2. Step 2: Convert to fraction form
    27,949.95/38,566.62 = 16,619.22/x
  3. Step 3: Cross multiply
    27,949.95x = 38,566.62 × 16,619.22
  4. Step 4: Simplify right side
    27,949.95x = 640,947,142.44
  5. Step 5: Solve for x
    x = 640,947,142.44/27,949.95
  6. Step 6: Final answer
    x = 22,931.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.