Home / 13,646.30-20,462.16-4,876.43

Finding the Fourth Proportional to 13,646.30, 20,462.16 and 4,876.43

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Solution

The fourth proportional to 13,646.30, 20,462.16 and 4,876.43 is: 7,312.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646.30 : 20,462.16 = 4,876.43 : x
  2. Step 2: Convert to fraction form
    13,646.30/20,462.16 = 4,876.43/x
  3. Step 3: Cross multiply
    13,646.30x = 20,462.16 × 4,876.43
  4. Step 4: Simplify right side
    13,646.30x = 99,782,290.89
  5. Step 5: Solve for x
    x = 99,782,290.89/13,646.30
  6. Step 6: Final answer
    x = 7,312.04

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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.