Home / 13,248.81-19,868.82-5,349.28

Finding the Fourth Proportional to 13,248.81, 19,868.82 and 5,349.28

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Solution

The fourth proportional to 13,248.81, 19,868.82 and 5,349.28 is: 8,022.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.81 : 19,868.82 = 5,349.28 : x
  2. Step 2: Convert to fraction form
    13,248.81/19,868.82 = 5,349.28/x
  3. Step 3: Cross multiply
    13,248.81x = 19,868.82 × 5,349.28
  4. Step 4: Simplify right side
    13,248.81x = 106,283,881.45
  5. Step 5: Solve for x
    x = 106,283,881.45/13,248.81
  6. Step 6: Final answer
    x = 8,022.15

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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.