Home / 18,749.16-28,120.50-6,267.96

Finding the Fourth Proportional to 18,749.16, 28,120.50 and 6,267.96

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Solution

The fourth proportional to 18,749.16, 28,120.50 and 6,267.96 is: 9,400.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.16 : 28,120.50 = 6,267.96 : x
  2. Step 2: Convert to fraction form
    18,749.16/28,120.50 = 6,267.96/x
  3. Step 3: Cross multiply
    18,749.16x = 28,120.50 × 6,267.96
  4. Step 4: Simplify right side
    18,749.16x = 176,258,169.18
  5. Step 5: Solve for x
    x = 176,258,169.18/18,749.16
  6. Step 6: Final answer
    x = 9,400.86

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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.