Home / 18,744.42-28,133.01-10,433.82

Finding the Fourth Proportional to 18,744.42, 28,133.01 and 10,433.82

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Solution

The fourth proportional to 18,744.42, 28,133.01 and 10,433.82 is: 15,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.42 : 28,133.01 = 10,433.82 : x
  2. Step 2: Convert to fraction form
    18,744.42/28,133.01 = 10,433.82/x
  3. Step 3: Cross multiply
    18,744.42x = 28,133.01 × 10,433.82
  4. Step 4: Simplify right side
    18,744.42x = 293,534,762.40
  5. Step 5: Solve for x
    x = 293,534,762.40/18,744.42
  6. Step 6: Final answer
    x = 15,659.85

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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.