Home / 21,350.40-32,025.60-16,166.40

Finding the Fourth Proportional to 21,350.40, 32,025.60 and 16,166.40

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Solution

The fourth proportional to 21,350.40, 32,025.60 and 16,166.40 is: 24,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,350.40 : 32,025.60 = 16,166.40 : x
  2. Step 2: Convert to fraction form
    21,350.40/32,025.60 = 16,166.40/x
  3. Step 3: Cross multiply
    21,350.40x = 32,025.60 × 16,166.40
  4. Step 4: Simplify right side
    21,350.40x = 517,738,659.84
  5. Step 5: Solve for x
    x = 517,738,659.84/21,350.40
  6. Step 6: Final answer
    x = 24,249.60

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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.