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Finding the Fourth Proportional to 16,225.14, 22,390 and 9,152.22

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Solution

The fourth proportional to 16,225.14, 22,390 and 9,152.22 is: 12,629.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,225.14 : 22,390 = 9,152.22 : x
  2. Step 2: Convert to fraction form
    16,225.14/22,390 = 9,152.22/x
  3. Step 3: Cross multiply
    16,225.14x = 22,390 × 9,152.22
  4. Step 4: Simplify right side
    16,225.14x = 204,918,205.80
  5. Step 5: Solve for x
    x = 204,918,205.80/16,225.14
  6. Step 6: Final answer
    x = 12,629.67

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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.