Home / 13,362.06-20,055.33-6,792.78

Finding the Fourth Proportional to 13,362.06, 20,055.33 and 6,792.78

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Solution

The fourth proportional to 13,362.06, 20,055.33 and 6,792.78 is: 10,195.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.06 : 20,055.33 = 6,792.78 : x
  2. Step 2: Convert to fraction form
    13,362.06/20,055.33 = 6,792.78/x
  3. Step 3: Cross multiply
    13,362.06x = 20,055.33 × 6,792.78
  4. Step 4: Simplify right side
    13,362.06x = 136,231,444.52
  5. Step 5: Solve for x
    x = 136,231,444.52/13,362.06
  6. Step 6: Final answer
    x = 10,195.39

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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.