Home / 14,736.39-20,328.62-9,137.67

Finding the Fourth Proportional to 14,736.39, 20,328.62 and 9,137.67

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Solution

The fourth proportional to 14,736.39, 20,328.62 and 9,137.67 is: 12,605.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,736.39 : 20,328.62 = 9,137.67 : x
  2. Step 2: Convert to fraction form
    14,736.39/20,328.62 = 9,137.67/x
  3. Step 3: Cross multiply
    14,736.39x = 20,328.62 × 9,137.67
  4. Step 4: Simplify right side
    14,736.39x = 185,756,175.43
  5. Step 5: Solve for x
    x = 185,756,175.43/14,736.39
  6. Step 6: Final answer
    x = 12,605.27

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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.