Home / 27,109.50-37,408.95-15,172.26

Finding the Fourth Proportional to 27,109.50, 37,408.95 and 15,172.26

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Solution

The fourth proportional to 27,109.50, 37,408.95 and 15,172.26 is: 20,936.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,109.50 : 37,408.95 = 15,172.26 : x
  2. Step 2: Convert to fraction form
    27,109.50/37,408.95 = 15,172.26/x
  3. Step 3: Cross multiply
    27,109.50x = 37,408.95 × 15,172.26
  4. Step 4: Simplify right side
    27,109.50x = 567,578,315.73
  5. Step 5: Solve for x
    x = 567,578,315.73/27,109.50
  6. Step 6: Final answer
    x = 20,936.51

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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.