Home / 14,580.20-20,120.42-8,292.84

Finding the Fourth Proportional to 14,580.20, 20,120.42 and 8,292.84

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Solution

The fourth proportional to 14,580.20, 20,120.42 and 8,292.84 is: 11,443.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580.20 : 20,120.42 = 8,292.84 : x
  2. Step 2: Convert to fraction form
    14,580.20/20,120.42 = 8,292.84/x
  3. Step 3: Cross multiply
    14,580.20x = 20,120.42 × 8,292.84
  4. Step 4: Simplify right side
    14,580.20x = 166,855,423.79
  5. Step 5: Solve for x
    x = 166,855,423.79/14,580.20
  6. Step 6: Final answer
    x = 11,443.97

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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.