Home / 14,730.66-20,325.74-8,761.37

Finding the Fourth Proportional to 14,730.66, 20,325.74 and 8,761.37

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Solution

The fourth proportional to 14,730.66, 20,325.74 and 8,761.37 is: 12,089.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,730.66 : 20,325.74 = 8,761.37 : x
  2. Step 2: Convert to fraction form
    14,730.66/20,325.74 = 8,761.37/x
  3. Step 3: Cross multiply
    14,730.66x = 20,325.74 × 8,761.37
  4. Step 4: Simplify right side
    14,730.66x = 178,081,183.23
  5. Step 5: Solve for x
    x = 178,081,183.23/14,730.66
  6. Step 6: Final answer
    x = 12,089.15

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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.