Home / 14,568.30-20,105.55-8,282.70

Finding the Fourth Proportional to 14,568.30, 20,105.55 and 8,282.70

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Solution

The fourth proportional to 14,568.30, 20,105.55 and 8,282.70 is: 11,430.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568.30 : 20,105.55 = 8,282.70 : x
  2. Step 2: Convert to fraction form
    14,568.30/20,105.55 = 8,282.70/x
  3. Step 3: Cross multiply
    14,568.30x = 20,105.55 × 8,282.70
  4. Step 4: Simplify right side
    14,568.30x = 166,528,238.99
  5. Step 5: Solve for x
    x = 166,528,238.99/14,568.30
  6. Step 6: Final answer
    x = 11,430.86

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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.