Home / 13,543.83-20,310.69-4,656.64

Finding the Fourth Proportional to 13,543.83, 20,310.69 and 4,656.64

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Solution

The fourth proportional to 13,543.83, 20,310.69 and 4,656.64 is: 6,983.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,543.83 : 20,310.69 = 4,656.64 : x
  2. Step 2: Convert to fraction form
    13,543.83/20,310.69 = 4,656.64/x
  3. Step 3: Cross multiply
    13,543.83x = 20,310.69 × 4,656.64
  4. Step 4: Simplify right side
    13,543.83x = 94,579,548.20
  5. Step 5: Solve for x
    x = 94,579,548.20/13,543.83
  6. Step 6: Final answer
    x = 6,983.22

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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.