Home / 13,026.23-17,975.34-8,310

Finding the Fourth Proportional to 13,026.23, 17,975.34 and 8,310

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Solution

The fourth proportional to 13,026.23, 17,975.34 and 8,310 is: 11,467.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.23 : 17,975.34 = 8,310 : x
  2. Step 2: Convert to fraction form
    13,026.23/17,975.34 = 8,310/x
  3. Step 3: Cross multiply
    13,026.23x = 17,975.34 × 8,310
  4. Step 4: Simplify right side
    13,026.23x = 149,375,075.40
  5. Step 5: Solve for x
    x = 149,375,075.40/13,026.23
  6. Step 6: Final answer
    x = 11,467.26

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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.