Home / 14,824.27-20,457.41-8,109.77

Finding the Fourth Proportional to 14,824.27, 20,457.41 and 8,109.77

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Solution

The fourth proportional to 14,824.27, 20,457.41 and 8,109.77 is: 11,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,824.27 : 20,457.41 = 8,109.77 : x
  2. Step 2: Convert to fraction form
    14,824.27/20,457.41 = 8,109.77/x
  3. Step 3: Cross multiply
    14,824.27x = 20,457.41 × 8,109.77
  4. Step 4: Simplify right side
    14,824.27x = 165,904,961.31
  5. Step 5: Solve for x
    x = 165,904,961.31/14,824.27
  6. Step 6: Final answer
    x = 11,191.44

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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.