Home / 13,203.10-19,805.24-4,318.93

Finding the Fourth Proportional to 13,203.10, 19,805.24 and 4,318.93

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Solution

The fourth proportional to 13,203.10, 19,805.24 and 4,318.93 is: 6,478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.10 : 19,805.24 = 4,318.93 : x
  2. Step 2: Convert to fraction form
    13,203.10/19,805.24 = 4,318.93/x
  3. Step 3: Cross multiply
    13,203.10x = 19,805.24 × 4,318.93
  4. Step 4: Simplify right side
    13,203.10x = 85,537,460.20
  5. Step 5: Solve for x
    x = 85,537,460.20/13,203.10
  6. Step 6: Final answer
    x = 6,478.59

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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.