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Finding the Fourth Proportional to 14,860.37, 20,506.76 and 8,891.67

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Solution

The fourth proportional to 14,860.37, 20,506.76 and 8,891.67 is: 12,270.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,860.37 : 20,506.76 = 8,891.67 : x
  2. Step 2: Convert to fraction form
    14,860.37/20,506.76 = 8,891.67/x
  3. Step 3: Cross multiply
    14,860.37x = 20,506.76 × 8,891.67
  4. Step 4: Simplify right side
    14,860.37x = 182,339,298.23
  5. Step 5: Solve for x
    x = 182,339,298.23/14,860.37
  6. Step 6: Final answer
    x = 12,270.18

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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.