Home / 14,146.72-19,525.98-8,181.84

Finding the Fourth Proportional to 14,146.72, 19,525.98 and 8,181.84

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Solution

The fourth proportional to 14,146.72, 19,525.98 and 8,181.84 is: 11,292.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.72 : 19,525.98 = 8,181.84 : x
  2. Step 2: Convert to fraction form
    14,146.72/19,525.98 = 8,181.84/x
  3. Step 3: Cross multiply
    14,146.72x = 19,525.98 × 8,181.84
  4. Step 4: Simplify right side
    14,146.72x = 159,758,502.08
  5. Step 5: Solve for x
    x = 159,758,502.08/14,146.72
  6. Step 6: Final answer
    x = 11,292.97

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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.