Home / 13,792.50-20,695.58-5,472.31

Finding the Fourth Proportional to 13,792.50, 20,695.58 and 5,472.31

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Solution

The fourth proportional to 13,792.50, 20,695.58 and 5,472.31 is: 8,211.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.50 : 20,695.58 = 5,472.31 : x
  2. Step 2: Convert to fraction form
    13,792.50/20,695.58 = 5,472.31/x
  3. Step 3: Cross multiply
    13,792.50x = 20,695.58 × 5,472.31
  4. Step 4: Simplify right side
    13,792.50x = 113,252,629.39
  5. Step 5: Solve for x
    x = 113,252,629.39/13,792.50
  6. Step 6: Final answer
    x = 8,211.17

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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.