Home / 14,839.21-20,478.36-9,173.82

Finding the Fourth Proportional to 14,839.21, 20,478.36 and 9,173.82

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Solution

The fourth proportional to 14,839.21, 20,478.36 and 9,173.82 is: 12,660.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,839.21 : 20,478.36 = 9,173.82 : x
  2. Step 2: Convert to fraction form
    14,839.21/20,478.36 = 9,173.82/x
  3. Step 3: Cross multiply
    14,839.21x = 20,478.36 × 9,173.82
  4. Step 4: Simplify right side
    14,839.21x = 187,864,788.54
  5. Step 5: Solve for x
    x = 187,864,788.54/14,839.21
  6. Step 6: Final answer
    x = 12,660.03

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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.