Home / 14,306.65-19,739.26-8,561.79

Finding the Fourth Proportional to 14,306.65, 19,739.26 and 8,561.79

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Solution

The fourth proportional to 14,306.65, 19,739.26 and 8,561.79 is: 11,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,306.65 : 19,739.26 = 8,561.79 : x
  2. Step 2: Convert to fraction form
    14,306.65/19,739.26 = 8,561.79/x
  3. Step 3: Cross multiply
    14,306.65x = 19,739.26 × 8,561.79
  4. Step 4: Simplify right side
    14,306.65x = 169,003,398.88
  5. Step 5: Solve for x
    x = 169,003,398.88/14,306.65
  6. Step 6: Final answer
    x = 11,812.93

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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.