Home / 17,515.89-24,171.80-9,558.45

Finding the Fourth Proportional to 17,515.89, 24,171.80 and 9,558.45

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Solution

The fourth proportional to 17,515.89, 24,171.80 and 9,558.45 is: 13,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.89 : 24,171.80 = 9,558.45 : x
  2. Step 2: Convert to fraction form
    17,515.89/24,171.80 = 9,558.45/x
  3. Step 3: Cross multiply
    17,515.89x = 24,171.80 × 9,558.45
  4. Step 4: Simplify right side
    17,515.89x = 231,044,893.92
  5. Step 5: Solve for x
    x = 231,044,893.92/17,515.89
  6. Step 6: Final answer
    x = 13,190.59

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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.