Home / 23,259.89-34,864.49-11,421.81

Finding the Fourth Proportional to 23,259.89, 34,864.49 and 11,421.81

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Solution

The fourth proportional to 23,259.89, 34,864.49 and 11,421.81 is: 17,120.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,259.89 : 34,864.49 = 11,421.81 : x
  2. Step 2: Convert to fraction form
    23,259.89/34,864.49 = 11,421.81/x
  3. Step 3: Cross multiply
    23,259.89x = 34,864.49 × 11,421.81
  4. Step 4: Simplify right side
    23,259.89x = 398,215,609.08
  5. Step 5: Solve for x
    x = 398,215,609.08/23,259.89
  6. Step 6: Final answer
    x = 17,120.27

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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.