Home / 26,929.08-37,163.88-18,531

Finding the Fourth Proportional to 26,929.08, 37,163.88 and 18,531

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Solution

The fourth proportional to 26,929.08, 37,163.88 and 18,531 is: 25,573.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.08 : 37,163.88 = 18,531 : x
  2. Step 2: Convert to fraction form
    26,929.08/37,163.88 = 18,531/x
  3. Step 3: Cross multiply
    26,929.08x = 37,163.88 × 18,531
  4. Step 4: Simplify right side
    26,929.08x = 688,683,860.28
  5. Step 5: Solve for x
    x = 688,683,860.28/26,929.08
  6. Step 6: Final answer
    x = 25,573.98

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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.