Home / 13,169.34-19,751.09-3,807.32

Finding the Fourth Proportional to 13,169.34, 19,751.09 and 3,807.32

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Solution

The fourth proportional to 13,169.34, 19,751.09 and 3,807.32 is: 5,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.34 : 19,751.09 = 3,807.32 : x
  2. Step 2: Convert to fraction form
    13,169.34/19,751.09 = 3,807.32/x
  3. Step 3: Cross multiply
    13,169.34x = 19,751.09 × 3,807.32
  4. Step 4: Simplify right side
    13,169.34x = 75,198,602.19
  5. Step 5: Solve for x
    x = 75,198,602.19/13,169.34
  6. Step 6: Final answer
    x = 5,710.13

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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.