Home / 14,186.21-21,257.24-5,416.34

Finding the Fourth Proportional to 14,186.21, 21,257.24 and 5,416.34

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Solution

The fourth proportional to 14,186.21, 21,257.24 and 5,416.34 is: 8,116.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.21 : 21,257.24 = 5,416.34 : x
  2. Step 2: Convert to fraction form
    14,186.21/21,257.24 = 5,416.34/x
  3. Step 3: Cross multiply
    14,186.21x = 21,257.24 × 5,416.34
  4. Step 4: Simplify right side
    14,186.21x = 115,136,305.93
  5. Step 5: Solve for x
    x = 115,136,305.93/14,186.21
  6. Step 6: Final answer
    x = 8,116.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.