Home / 14,012.88-19,334.36-8,343.99

Finding the Fourth Proportional to 14,012.88, 19,334.36 and 8,343.99

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Solution

The fourth proportional to 14,012.88, 19,334.36 and 8,343.99 is: 11,512.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.88 : 19,334.36 = 8,343.99 : x
  2. Step 2: Convert to fraction form
    14,012.88/19,334.36 = 8,343.99/x
  3. Step 3: Cross multiply
    14,012.88x = 19,334.36 × 8,343.99
  4. Step 4: Simplify right side
    14,012.88x = 161,325,727.36
  5. Step 5: Solve for x
    x = 161,325,727.36/14,012.88
  6. Step 6: Final answer
    x = 11,512.68

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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.