Home / 18,811.35-28,223.24-6,332.58

Finding the Fourth Proportional to 18,811.35, 28,223.24 and 6,332.58

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Solution

The fourth proportional to 18,811.35, 28,223.24 and 6,332.58 is: 9,500.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,811.35 : 28,223.24 = 6,332.58 : x
  2. Step 2: Convert to fraction form
    18,811.35/28,223.24 = 6,332.58/x
  3. Step 3: Cross multiply
    18,811.35x = 28,223.24 × 6,332.58
  4. Step 4: Simplify right side
    18,811.35x = 178,725,893.50
  5. Step 5: Solve for x
    x = 178,725,893.50/18,811.35
  6. Step 6: Final answer
    x = 9,500.96

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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.