Home / 19,299.62-26,636.34-12,226.70

Finding the Fourth Proportional to 19,299.62, 26,636.34 and 12,226.70

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Solution

The fourth proportional to 19,299.62, 26,636.34 and 12,226.70 is: 16,874.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.62 : 26,636.34 = 12,226.70 : x
  2. Step 2: Convert to fraction form
    19,299.62/26,636.34 = 12,226.70/x
  3. Step 3: Cross multiply
    19,299.62x = 26,636.34 × 12,226.70
  4. Step 4: Simplify right side
    19,299.62x = 325,674,538.28
  5. Step 5: Solve for x
    x = 325,674,538.28/19,299.62
  6. Step 6: Final answer
    x = 16,874.66

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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.