Home / 13,201.55-19,798.29-5,299.90

Finding the Fourth Proportional to 13,201.55, 19,798.29 and 5,299.90

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Solution

The fourth proportional to 13,201.55, 19,798.29 and 5,299.90 is: 7,948.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.55 : 19,798.29 = 5,299.90 : x
  2. Step 2: Convert to fraction form
    13,201.55/19,798.29 = 5,299.90/x
  3. Step 3: Cross multiply
    13,201.55x = 19,798.29 × 5,299.90
  4. Step 4: Simplify right side
    13,201.55x = 104,928,957.17
  5. Step 5: Solve for x
    x = 104,928,957.17/13,201.55
  6. Step 6: Final answer
    x = 7,948.23

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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.