Home / 12,814.46-19,221.60-5,967.20

Finding the Fourth Proportional to 12,814.46, 19,221.60 and 5,967.20

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Solution

The fourth proportional to 12,814.46, 19,221.60 and 5,967.20 is: 8,950.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,814.46 : 19,221.60 = 5,967.20 : x
  2. Step 2: Convert to fraction form
    12,814.46/19,221.60 = 5,967.20/x
  3. Step 3: Cross multiply
    12,814.46x = 19,221.60 × 5,967.20
  4. Step 4: Simplify right side
    12,814.46x = 114,699,131.52
  5. Step 5: Solve for x
    x = 114,699,131.52/12,814.46
  6. Step 6: Final answer
    x = 8,950.76

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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.