Home / 14,909.63-20,575.75-8,195.77

Finding the Fourth Proportional to 14,909.63, 20,575.75 and 8,195.77

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Solution

The fourth proportional to 14,909.63, 20,575.75 and 8,195.77 is: 11,310.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.63 : 20,575.75 = 8,195.77 : x
  2. Step 2: Convert to fraction form
    14,909.63/20,575.75 = 8,195.77/x
  3. Step 3: Cross multiply
    14,909.63x = 20,575.75 × 8,195.77
  4. Step 4: Simplify right side
    14,909.63x = 168,634,114.58
  5. Step 5: Solve for x
    x = 168,634,114.58/14,909.63
  6. Step 6: Final answer
    x = 11,310.42

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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.