Home / 17,755.62-26,636.66-13,783.38

Finding the Fourth Proportional to 17,755.62, 26,636.66 and 13,783.38

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Solution

The fourth proportional to 17,755.62, 26,636.66 and 13,783.38 is: 20,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,755.62 : 26,636.66 = 13,783.38 : x
  2. Step 2: Convert to fraction form
    17,755.62/26,636.66 = 13,783.38/x
  3. Step 3: Cross multiply
    17,755.62x = 26,636.66 × 13,783.38
  4. Step 4: Simplify right side
    17,755.62x = 367,143,206.71
  5. Step 5: Solve for x
    x = 367,143,206.71/17,755.62
  6. Step 6: Final answer
    x = 20,677.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.