Home / 18,744.46-28,109.77-6,261.14

Finding the Fourth Proportional to 18,744.46, 28,109.77 and 6,261.14

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Solution

The fourth proportional to 18,744.46, 28,109.77 and 6,261.14 is: 9,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.46 : 28,109.77 = 6,261.14 : x
  2. Step 2: Convert to fraction form
    18,744.46/28,109.77 = 6,261.14/x
  3. Step 3: Cross multiply
    18,744.46x = 28,109.77 × 6,261.14
  4. Step 4: Simplify right side
    18,744.46x = 175,999,259.96
  5. Step 5: Solve for x
    x = 175,999,259.96/18,744.46
  6. Step 6: Final answer
    x = 9,389.40

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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.