Home / 20,624.18-30,932.82-5,829.74

Finding the Fourth Proportional to 20,624.18, 30,932.82 and 5,829.74

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Solution

The fourth proportional to 20,624.18, 30,932.82 and 5,829.74 is: 8,743.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624.18 : 30,932.82 = 5,829.74 : x
  2. Step 2: Convert to fraction form
    20,624.18/30,932.82 = 5,829.74/x
  3. Step 3: Cross multiply
    20,624.18x = 30,932.82 × 5,829.74
  4. Step 4: Simplify right side
    20,624.18x = 180,330,143.40
  5. Step 5: Solve for x
    x = 180,330,143.40/20,624.18
  6. Step 6: Final answer
    x = 8,743.63

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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.