Home / 13,026.48-17,975.68-8,310.25

Finding the Fourth Proportional to 13,026.48, 17,975.68 and 8,310.25

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Solution

The fourth proportional to 13,026.48, 17,975.68 and 8,310.25 is: 11,467.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.48 : 17,975.68 = 8,310.25 : x
  2. Step 2: Convert to fraction form
    13,026.48/17,975.68 = 8,310.25/x
  3. Step 3: Cross multiply
    13,026.48x = 17,975.68 × 8,310.25
  4. Step 4: Simplify right side
    13,026.48x = 149,382,394.72
  5. Step 5: Solve for x
    x = 149,382,394.72/13,026.48
  6. Step 6: Final answer
    x = 11,467.59

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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.