Home / 14,635.00-20,196.42-8,347.78

Finding the Fourth Proportional to 14,635.00, 20,196.42 and 8,347.78

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Solution

The fourth proportional to 14,635.00, 20,196.42 and 8,347.78 is: 11,520.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.00 : 20,196.42 = 8,347.78 : x
  2. Step 2: Convert to fraction form
    14,635.00/20,196.42 = 8,347.78/x
  3. Step 3: Cross multiply
    14,635.00x = 20,196.42 × 8,347.78
  4. Step 4: Simplify right side
    14,635.00x = 168,595,169.97
  5. Step 5: Solve for x
    x = 168,595,169.97/14,635.00
  6. Step 6: Final answer
    x = 11,520.00

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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.