Home / 14,943.54-20,619.60-8,974.08

Finding the Fourth Proportional to 14,943.54, 20,619.60 and 8,974.08

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Solution

The fourth proportional to 14,943.54, 20,619.60 and 8,974.08 is: 12,382.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943.54 : 20,619.60 = 8,974.08 : x
  2. Step 2: Convert to fraction form
    14,943.54/20,619.60 = 8,974.08/x
  3. Step 3: Cross multiply
    14,943.54x = 20,619.60 × 8,974.08
  4. Step 4: Simplify right side
    14,943.54x = 185,041,939.97
  5. Step 5: Solve for x
    x = 185,041,939.97/14,943.54
  6. Step 6: Final answer
    x = 12,382.74

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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.