Home / 13,472.93-20,210.43-4,113.77

Finding the Fourth Proportional to 13,472.93, 20,210.43 and 4,113.77

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Solution

The fourth proportional to 13,472.93, 20,210.43 and 4,113.77 is: 6,170.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.93 : 20,210.43 = 4,113.77 : x
  2. Step 2: Convert to fraction form
    13,472.93/20,210.43 = 4,113.77/x
  3. Step 3: Cross multiply
    13,472.93x = 20,210.43 × 4,113.77
  4. Step 4: Simplify right side
    13,472.93x = 83,141,060.62
  5. Step 5: Solve for x
    x = 83,141,060.62/13,472.93
  6. Step 6: Final answer
    x = 6,170.97

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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.