Home / 14,656.92-21,985.20-3,563.60

Finding the Fourth Proportional to 14,656.92, 21,985.20 and 3,563.60

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Solution

The fourth proportional to 14,656.92, 21,985.20 and 3,563.60 is: 5,345.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,656.92 : 21,985.20 = 3,563.60 : x
  2. Step 2: Convert to fraction form
    14,656.92/21,985.20 = 3,563.60/x
  3. Step 3: Cross multiply
    14,656.92x = 21,985.20 × 3,563.60
  4. Step 4: Simplify right side
    14,656.92x = 78,346,348.79
  5. Step 5: Solve for x
    x = 78,346,348.79/14,656.92
  6. Step 6: Final answer
    x = 5,345.35

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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.