Home / 14,675.67-20,249.26-8,709.32

Finding the Fourth Proportional to 14,675.67, 20,249.26 and 8,709.32

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Solution

The fourth proportional to 14,675.67, 20,249.26 and 8,709.32 is: 12,016.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,675.67 : 20,249.26 = 8,709.32 : x
  2. Step 2: Convert to fraction form
    14,675.67/20,249.26 = 8,709.32/x
  3. Step 3: Cross multiply
    14,675.67x = 20,249.26 × 8,709.32
  4. Step 4: Simplify right side
    14,675.67x = 176,357,313.95
  5. Step 5: Solve for x
    x = 176,357,313.95/14,675.67
  6. Step 6: Final answer
    x = 12,016.99

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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.