Home / 14,866.11-20,515.86-8,493.75

Finding the Fourth Proportional to 14,866.11, 20,515.86 and 8,493.75

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Solution

The fourth proportional to 14,866.11, 20,515.86 and 8,493.75 is: 11,721.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,866.11 : 20,515.86 = 8,493.75 : x
  2. Step 2: Convert to fraction form
    14,866.11/20,515.86 = 8,493.75/x
  3. Step 3: Cross multiply
    14,866.11x = 20,515.86 × 8,493.75
  4. Step 4: Simplify right side
    14,866.11x = 174,256,585.88
  5. Step 5: Solve for x
    x = 174,256,585.88/14,866.11
  6. Step 6: Final answer
    x = 11,721.73

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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.