Home / 14,670.99-21,964.53-13,739.91

Finding the Fourth Proportional to 14,670.99, 21,964.53 and 13,739.91

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Solution

The fourth proportional to 14,670.99, 21,964.53 and 13,739.91 is: 20,570.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.99 : 21,964.53 = 13,739.91 : x
  2. Step 2: Convert to fraction form
    14,670.99/21,964.53 = 13,739.91/x
  3. Step 3: Cross multiply
    14,670.99x = 21,964.53 × 13,739.91
  4. Step 4: Simplify right side
    14,670.99x = 301,790,665.39
  5. Step 5: Solve for x
    x = 301,790,665.39/14,670.99
  6. Step 6: Final answer
    x = 20,570.57

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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.