Home / 14,982.40-20,675.52-8,267.88

Finding the Fourth Proportional to 14,982.40, 20,675.52 and 8,267.88

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Solution

The fourth proportional to 14,982.40, 20,675.52 and 8,267.88 is: 11,409.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.40 : 20,675.52 = 8,267.88 : x
  2. Step 2: Convert to fraction form
    14,982.40/20,675.52 = 8,267.88/x
  3. Step 3: Cross multiply
    14,982.40x = 20,675.52 × 8,267.88
  4. Step 4: Simplify right side
    14,982.40x = 170,942,718.30
  5. Step 5: Solve for x
    x = 170,942,718.30/14,982.40
  6. Step 6: Final answer
    x = 11,409.57

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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.