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Finding the Fourth Proportional to 16,478.67, 22,740.57 and 9,026.67

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Solution

The fourth proportional to 16,478.67, 22,740.57 and 9,026.67 is: 12,456.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,478.67 : 22,740.57 = 9,026.67 : x
  2. Step 2: Convert to fraction form
    16,478.67/22,740.57 = 9,026.67/x
  3. Step 3: Cross multiply
    16,478.67x = 22,740.57 × 9,026.67
  4. Step 4: Simplify right side
    16,478.67x = 205,271,621.00
  5. Step 5: Solve for x
    x = 205,271,621.00/16,478.67
  6. Step 6: Final answer
    x = 12,456.81

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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.