Home / 12,355.23-18,534.65-3,589.01

Finding the Fourth Proportional to 12,355.23, 18,534.65 and 3,589.01

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Solution

The fourth proportional to 12,355.23, 18,534.65 and 3,589.01 is: 5,384.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.23 : 18,534.65 = 3,589.01 : x
  2. Step 2: Convert to fraction form
    12,355.23/18,534.65 = 3,589.01/x
  3. Step 3: Cross multiply
    12,355.23x = 18,534.65 × 3,589.01
  4. Step 4: Simplify right side
    12,355.23x = 66,520,933.58
  5. Step 5: Solve for x
    x = 66,520,933.58/12,355.23
  6. Step 6: Final answer
    x = 5,384.03

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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.