Home / 16,615.75-24,891.64-13,087.09

Finding the Fourth Proportional to 16,615.75, 24,891.64 and 13,087.09

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Solution

The fourth proportional to 16,615.75, 24,891.64 and 13,087.09 is: 19,605.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615.75 : 24,891.64 = 13,087.09 : x
  2. Step 2: Convert to fraction form
    16,615.75/24,891.64 = 13,087.09/x
  3. Step 3: Cross multiply
    16,615.75x = 24,891.64 × 13,087.09
  4. Step 4: Simplify right side
    16,615.75x = 325,759,132.93
  5. Step 5: Solve for x
    x = 325,759,132.93/16,615.75
  6. Step 6: Final answer
    x = 19,605.44

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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.