Home / 16,566.39-22,861.68-9,012.78

Finding the Fourth Proportional to 16,566.39, 22,861.68 and 9,012.78

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Solution

The fourth proportional to 16,566.39, 22,861.68 and 9,012.78 is: 12,437.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,566.39 : 22,861.68 = 9,012.78 : x
  2. Step 2: Convert to fraction form
    16,566.39/22,861.68 = 9,012.78/x
  3. Step 3: Cross multiply
    16,566.39x = 22,861.68 × 9,012.78
  4. Step 4: Simplify right side
    16,566.39x = 206,047,292.27
  5. Step 5: Solve for x
    x = 206,047,292.27/16,566.39
  6. Step 6: Final answer
    x = 12,437.67

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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.