Home / 14,178.51-21,267.77-3,790.26

Finding the Fourth Proportional to 14,178.51, 21,267.77 and 3,790.26

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Solution

The fourth proportional to 14,178.51, 21,267.77 and 3,790.26 is: 5,685.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.51 : 21,267.77 = 3,790.26 : x
  2. Step 2: Convert to fraction form
    14,178.51/21,267.77 = 3,790.26/x
  3. Step 3: Cross multiply
    14,178.51x = 21,267.77 × 3,790.26
  4. Step 4: Simplify right side
    14,178.51x = 80,610,358.97
  5. Step 5: Solve for x
    x = 80,610,358.97/14,178.51
  6. Step 6: Final answer
    x = 5,685.39

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Similar ratio
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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.