Home / 17,421.65-26,131.84-4,941.62

Finding the Fourth Proportional to 17,421.65, 26,131.84 and 4,941.62

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Solution

The fourth proportional to 17,421.65, 26,131.84 and 4,941.62 is: 7,412.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,421.65 : 26,131.84 = 4,941.62 : x
  2. Step 2: Convert to fraction form
    17,421.65/26,131.84 = 4,941.62/x
  3. Step 3: Cross multiply
    17,421.65x = 26,131.84 × 4,941.62
  4. Step 4: Simplify right side
    17,421.65x = 129,133,739.05
  5. Step 5: Solve for x
    x = 129,133,739.05/17,421.65
  6. Step 6: Final answer
    x = 7,412.26

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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.