Home / 14,789.60-22,149.05-8,530.64

Finding the Fourth Proportional to 14,789.60, 22,149.05 and 8,530.64

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Solution

The fourth proportional to 14,789.60, 22,149.05 and 8,530.64 is: 12,775.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.60 : 22,149.05 = 8,530.64 : x
  2. Step 2: Convert to fraction form
    14,789.60/22,149.05 = 8,530.64/x
  3. Step 3: Cross multiply
    14,789.60x = 22,149.05 × 8,530.64
  4. Step 4: Simplify right side
    14,789.60x = 188,945,501.55
  5. Step 5: Solve for x
    x = 188,945,501.55/14,789.60
  6. Step 6: Final answer
    x = 12,775.57

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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.