Home / 13,470.93-20,199.47-7,236.19

Finding the Fourth Proportional to 13,470.93, 20,199.47 and 7,236.19

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Solution

The fourth proportional to 13,470.93, 20,199.47 and 7,236.19 is: 10,850.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.93 : 20,199.47 = 7,236.19 : x
  2. Step 2: Convert to fraction form
    13,470.93/20,199.47 = 7,236.19/x
  3. Step 3: Cross multiply
    13,470.93x = 20,199.47 × 7,236.19
  4. Step 4: Simplify right side
    13,470.93x = 146,167,170.41
  5. Step 5: Solve for x
    x = 146,167,170.41/13,470.93
  6. Step 6: Final answer
    x = 10,850.56

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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.