Home / 13,244.81-19,862.82-5,345.28

Finding the Fourth Proportional to 13,244.81, 19,862.82 and 5,345.28

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Solution

The fourth proportional to 13,244.81, 19,862.82 and 5,345.28 is: 8,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.81 : 19,862.82 = 5,345.28 : x
  2. Step 2: Convert to fraction form
    13,244.81/19,862.82 = 5,345.28/x
  3. Step 3: Cross multiply
    13,244.81x = 19,862.82 × 5,345.28
  4. Step 4: Simplify right side
    13,244.81x = 106,172,334.49
  5. Step 5: Solve for x
    x = 106,172,334.49/13,244.81
  6. Step 6: Final answer
    x = 8,016.15

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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.