Home / 14,622.41-20,170.26-8,959.70

Finding the Fourth Proportional to 14,622.41, 20,170.26 and 8,959.70

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Solution

The fourth proportional to 14,622.41, 20,170.26 and 8,959.70 is: 12,359.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.41 : 20,170.26 = 8,959.70 : x
  2. Step 2: Convert to fraction form
    14,622.41/20,170.26 = 8,959.70/x
  3. Step 3: Cross multiply
    14,622.41x = 20,170.26 × 8,959.70
  4. Step 4: Simplify right side
    14,622.41x = 180,719,377.67
  5. Step 5: Solve for x
    x = 180,719,377.67/14,622.41
  6. Step 6: Final answer
    x = 12,359.07

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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.