Home / 17,845.12-26,749.85-11,926.99

Finding the Fourth Proportional to 17,845.12, 26,749.85 and 11,926.99

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Solution

The fourth proportional to 17,845.12, 26,749.85 and 11,926.99 is: 17,878.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,845.12 : 26,749.85 = 11,926.99 : x
  2. Step 2: Convert to fraction form
    17,845.12/26,749.85 = 11,926.99/x
  3. Step 3: Cross multiply
    17,845.12x = 26,749.85 × 11,926.99
  4. Step 4: Simplify right side
    17,845.12x = 319,045,156.39
  5. Step 5: Solve for x
    x = 319,045,156.39/17,845.12
  6. Step 6: Final answer
    x = 17,878.57

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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.