Home / 20,403.56-30,576.60-16,225.03

Finding the Fourth Proportional to 20,403.56, 30,576.60 and 16,225.03

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Solution

The fourth proportional to 20,403.56, 30,576.60 and 16,225.03 is: 24,314.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,403.56 : 30,576.60 = 16,225.03 : x
  2. Step 2: Convert to fraction form
    20,403.56/30,576.60 = 16,225.03/x
  3. Step 3: Cross multiply
    20,403.56x = 30,576.60 × 16,225.03
  4. Step 4: Simplify right side
    20,403.56x = 496,106,099.42
  5. Step 5: Solve for x
    x = 496,106,099.42/20,403.56
  6. Step 6: Final answer
    x = 24,314.68

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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.