Home / 43,686.54-65,522.52-12,514.50

Finding the Fourth Proportional to 43,686.54, 65,522.52 and 12,514.50

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Solution

The fourth proportional to 43,686.54, 65,522.52 and 12,514.50 is: 18,769.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,686.54 : 65,522.52 = 12,514.50 : x
  2. Step 2: Convert to fraction form
    43,686.54/65,522.52 = 12,514.50/x
  3. Step 3: Cross multiply
    43,686.54x = 65,522.52 × 12,514.50
  4. Step 4: Simplify right side
    43,686.54x = 819,981,576.54
  5. Step 5: Solve for x
    x = 819,981,576.54/43,686.54
  6. Step 6: Final answer
    x = 18,769.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.