Home / 14,623.41-20,171.64-8,960.70

Finding the Fourth Proportional to 14,623.41, 20,171.64 and 8,960.70

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Solution

The fourth proportional to 14,623.41, 20,171.64 and 8,960.70 is: 12,360.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,623.41 : 20,171.64 = 8,960.70 : x
  2. Step 2: Convert to fraction form
    14,623.41/20,171.64 = 8,960.70/x
  3. Step 3: Cross multiply
    14,623.41x = 20,171.64 × 8,960.70
  4. Step 4: Simplify right side
    14,623.41x = 180,752,014.55
  5. Step 5: Solve for x
    x = 180,752,014.55/14,623.41
  6. Step 6: Final answer
    x = 12,360.46

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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.