Home / 16,221.60-24,332.40-6,361.20

Finding the Fourth Proportional to 16,221.60, 24,332.40 and 6,361.20

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Solution

The fourth proportional to 16,221.60, 24,332.40 and 6,361.20 is: 9,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,221.60 : 24,332.40 = 6,361.20 : x
  2. Step 2: Convert to fraction form
    16,221.60/24,332.40 = 6,361.20/x
  3. Step 3: Cross multiply
    16,221.60x = 24,332.40 × 6,361.20
  4. Step 4: Simplify right side
    16,221.60x = 154,783,262.88
  5. Step 5: Solve for x
    x = 154,783,262.88/16,221.60
  6. Step 6: Final answer
    x = 9,541.80

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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.