Home / 14,982.48-20,677.41-9,320.85

Finding the Fourth Proportional to 14,982.48, 20,677.41 and 9,320.85

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Solution

The fourth proportional to 14,982.48, 20,677.41 and 9,320.85 is: 12,863.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.48 : 20,677.41 = 9,320.85 : x
  2. Step 2: Convert to fraction form
    14,982.48/20,677.41 = 9,320.85/x
  3. Step 3: Cross multiply
    14,982.48x = 20,677.41 × 9,320.85
  4. Step 4: Simplify right side
    14,982.48x = 192,731,037.00
  5. Step 5: Solve for x
    x = 192,731,037.00/14,982.48
  6. Step 6: Final answer
    x = 12,863.76

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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.