Home / 14,728.94-20,325.69-8,014.39

Finding the Fourth Proportional to 14,728.94, 20,325.69 and 8,014.39

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Solution

The fourth proportional to 14,728.94, 20,325.69 and 8,014.39 is: 11,059.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728.94 : 20,325.69 = 8,014.39 : x
  2. Step 2: Convert to fraction form
    14,728.94/20,325.69 = 8,014.39/x
  3. Step 3: Cross multiply
    14,728.94x = 20,325.69 × 8,014.39
  4. Step 4: Simplify right side
    14,728.94x = 162,898,006.68
  5. Step 5: Solve for x
    x = 162,898,006.68/14,728.94
  6. Step 6: Final answer
    x = 11,059.72

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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.