Home / 14,110.79-21,164.70-5,791.68

Finding the Fourth Proportional to 14,110.79, 21,164.70 and 5,791.68

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Solution

The fourth proportional to 14,110.79, 21,164.70 and 5,791.68 is: 8,686.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.79 : 21,164.70 = 5,791.68 : x
  2. Step 2: Convert to fraction form
    14,110.79/21,164.70 = 5,791.68/x
  3. Step 3: Cross multiply
    14,110.79x = 21,164.70 × 5,791.68
  4. Step 4: Simplify right side
    14,110.79x = 122,579,169.70
  5. Step 5: Solve for x
    x = 122,579,169.70/14,110.79
  6. Step 6: Final answer
    x = 8,686.91

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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.