Home / 13,400.10-20,102.13-4,632.66

Finding the Fourth Proportional to 13,400.10, 20,102.13 and 4,632.66

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Solution

The fourth proportional to 13,400.10, 20,102.13 and 4,632.66 is: 6,949.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.10 : 20,102.13 = 4,632.66 : x
  2. Step 2: Convert to fraction form
    13,400.10/20,102.13 = 4,632.66/x
  3. Step 3: Cross multiply
    13,400.10x = 20,102.13 × 4,632.66
  4. Step 4: Simplify right side
    13,400.10x = 93,126,333.57
  5. Step 5: Solve for x
    x = 93,126,333.57/13,400.10
  6. Step 6: Final answer
    x = 6,949.67

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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.