Home / 14,126.74-19,498.42-8,161.86

Finding the Fourth Proportional to 14,126.74, 19,498.42 and 8,161.86

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Solution

The fourth proportional to 14,126.74, 19,498.42 and 8,161.86 is: 11,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.74 : 19,498.42 = 8,161.86 : x
  2. Step 2: Convert to fraction form
    14,126.74/19,498.42 = 8,161.86/x
  3. Step 3: Cross multiply
    14,126.74x = 19,498.42 × 8,161.86
  4. Step 4: Simplify right side
    14,126.74x = 159,143,374.26
  5. Step 5: Solve for x
    x = 159,143,374.26/14,126.74
  6. Step 6: Final answer
    x = 11,265.40

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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.