Home / 13,022.81-19,534.07-3,162.08

Finding the Fourth Proportional to 13,022.81, 19,534.07 and 3,162.08

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Solution

The fourth proportional to 13,022.81, 19,534.07 and 3,162.08 is: 4,743.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.81 : 19,534.07 = 3,162.08 : x
  2. Step 2: Convert to fraction form
    13,022.81/19,534.07 = 3,162.08/x
  3. Step 3: Cross multiply
    13,022.81x = 19,534.07 × 3,162.08
  4. Step 4: Simplify right side
    13,022.81x = 61,768,292.07
  5. Step 5: Solve for x
    x = 61,768,292.07/13,022.81
  6. Step 6: Final answer
    x = 4,743.08

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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.