Home / 14,149.69-19,529.51-8,180.53

Finding the Fourth Proportional to 14,149.69, 19,529.51 and 8,180.53

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Solution

The fourth proportional to 14,149.69, 19,529.51 and 8,180.53 is: 11,290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.69 : 19,529.51 = 8,180.53 : x
  2. Step 2: Convert to fraction form
    14,149.69/19,529.51 = 8,180.53/x
  3. Step 3: Cross multiply
    14,149.69x = 19,529.51 × 8,180.53
  4. Step 4: Simplify right side
    14,149.69x = 159,761,742.44
  5. Step 5: Solve for x
    x = 159,761,742.44/14,149.69
  6. Step 6: Final answer
    x = 11,290.83

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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.