Home / 17,625.61-26,447.70-7,771.69

Finding the Fourth Proportional to 17,625.61, 26,447.70 and 7,771.69

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Solution

The fourth proportional to 17,625.61, 26,447.70 and 7,771.69 is: 11,661.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,625.61 : 26,447.70 = 7,771.69 : x
  2. Step 2: Convert to fraction form
    17,625.61/26,447.70 = 7,771.69/x
  3. Step 3: Cross multiply
    17,625.61x = 26,447.70 × 7,771.69
  4. Step 4: Simplify right side
    17,625.61x = 205,543,325.61
  5. Step 5: Solve for x
    x = 205,543,325.61/17,625.61
  6. Step 6: Final answer
    x = 11,661.63

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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.