Home / 14,792.22-20,377.56-12,660.96

Finding the Fourth Proportional to 14,792.22, 20,377.56 and 12,660.96

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Solution

The fourth proportional to 14,792.22, 20,377.56 and 12,660.96 is: 17,441.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,792.22 : 20,377.56 = 12,660.96 : x
  2. Step 2: Convert to fraction form
    14,792.22/20,377.56 = 12,660.96/x
  3. Step 3: Cross multiply
    14,792.22x = 20,377.56 × 12,660.96
  4. Step 4: Simplify right side
    14,792.22x = 257,999,472.06
  5. Step 5: Solve for x
    x = 257,999,472.06/14,792.22
  6. Step 6: Final answer
    x = 17,441.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.