Home / 14,126.22-19,493.19-8,156.79

Finding the Fourth Proportional to 14,126.22, 19,493.19 and 8,156.79

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Solution

The fourth proportional to 14,126.22, 19,493.19 and 8,156.79 is: 11,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.22 : 19,493.19 = 8,156.79 : x
  2. Step 2: Convert to fraction form
    14,126.22/19,493.19 = 8,156.79/x
  3. Step 3: Cross multiply
    14,126.22x = 19,493.19 × 8,156.79
  4. Step 4: Simplify right side
    14,126.22x = 159,001,857.26
  5. Step 5: Solve for x
    x = 159,001,857.26/14,126.22
  6. Step 6: Final answer
    x = 11,255.80

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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.