Home / 23,770.89-32,805.68-13,161.51

Finding the Fourth Proportional to 23,770.89, 32,805.68 and 13,161.51

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Solution

The fourth proportional to 23,770.89, 32,805.68 and 13,161.51 is: 18,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,770.89 : 32,805.68 = 13,161.51 : x
  2. Step 2: Convert to fraction form
    23,770.89/32,805.68 = 13,161.51/x
  3. Step 3: Cross multiply
    23,770.89x = 32,805.68 × 13,161.51
  4. Step 4: Simplify right side
    23,770.89x = 431,772,219.57
  5. Step 5: Solve for x
    x = 431,772,219.57/23,770.89
  6. Step 6: Final answer
    x = 18,163.91

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1.5x scale

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.