Home / 13,235.10-19,860.49-5,341.39

Finding the Fourth Proportional to 13,235.10, 19,860.49 and 5,341.39

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Solution

The fourth proportional to 13,235.10, 19,860.49 and 5,341.39 is: 8,015.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.10 : 19,860.49 = 5,341.39 : x
  2. Step 2: Convert to fraction form
    13,235.10/19,860.49 = 5,341.39/x
  3. Step 3: Cross multiply
    13,235.10x = 19,860.49 × 5,341.39
  4. Step 4: Simplify right side
    13,235.10x = 106,082,691.42
  5. Step 5: Solve for x
    x = 106,082,691.42/13,235.10
  6. Step 6: Final answer
    x = 8,015.26

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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.