Home / 14,425.20-19,906.70-8,051.42

Finding the Fourth Proportional to 14,425.20, 19,906.70 and 8,051.42

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Solution

The fourth proportional to 14,425.20, 19,906.70 and 8,051.42 is: 11,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425.20 : 19,906.70 = 8,051.42 : x
  2. Step 2: Convert to fraction form
    14,425.20/19,906.70 = 8,051.42/x
  3. Step 3: Cross multiply
    14,425.20x = 19,906.70 × 8,051.42
  4. Step 4: Simplify right side
    14,425.20x = 160,277,242.22
  5. Step 5: Solve for x
    x = 160,277,242.22/14,425.20
  6. Step 6: Final answer
    x = 11,110.92

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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.