Home / 13,573.16-20,358.77-4,212.95

Finding the Fourth Proportional to 13,573.16, 20,358.77 and 4,212.95

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Solution

The fourth proportional to 13,573.16, 20,358.77 and 4,212.95 is: 6,319.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.16 : 20,358.77 = 4,212.95 : x
  2. Step 2: Convert to fraction form
    13,573.16/20,358.77 = 4,212.95/x
  3. Step 3: Cross multiply
    13,573.16x = 20,358.77 × 4,212.95
  4. Step 4: Simplify right side
    13,573.16x = 85,770,480.07
  5. Step 5: Solve for x
    x = 85,770,480.07/13,573.16
  6. Step 6: Final answer
    x = 6,319.12

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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.