Home / 14,876.96-20,530.21-8,503.69

Finding the Fourth Proportional to 14,876.96, 20,530.21 and 8,503.69

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Solution

The fourth proportional to 14,876.96, 20,530.21 and 8,503.69 is: 11,735.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,876.96 : 20,530.21 = 8,503.69 : x
  2. Step 2: Convert to fraction form
    14,876.96/20,530.21 = 8,503.69/x
  3. Step 3: Cross multiply
    14,876.96x = 20,530.21 × 8,503.69
  4. Step 4: Simplify right side
    14,876.96x = 174,582,491.44
  5. Step 5: Solve for x
    x = 174,582,491.44/14,876.96
  6. Step 6: Final answer
    x = 11,735.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.