Home / 13,025.30-19,538.74-3,666.08

Finding the Fourth Proportional to 13,025.30, 19,538.74 and 3,666.08

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Solution

The fourth proportional to 13,025.30, 19,538.74 and 3,666.08 is: 5,499.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025.30 : 19,538.74 = 3,666.08 : x
  2. Step 2: Convert to fraction form
    13,025.30/19,538.74 = 3,666.08/x
  3. Step 3: Cross multiply
    13,025.30x = 19,538.74 × 3,666.08
  4. Step 4: Simplify right side
    13,025.30x = 71,630,583.94
  5. Step 5: Solve for x
    x = 71,630,583.94/13,025.30
  6. Step 6: Final answer
    x = 5,499.34

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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.