Home / 13,502.74-20,236.44-7,255.45

Finding the Fourth Proportional to 13,502.74, 20,236.44 and 7,255.45

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Solution

The fourth proportional to 13,502.74, 20,236.44 and 7,255.45 is: 10,873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.74 : 20,236.44 = 7,255.45 : x
  2. Step 2: Convert to fraction form
    13,502.74/20,236.44 = 7,255.45/x
  3. Step 3: Cross multiply
    13,502.74x = 20,236.44 × 7,255.45
  4. Step 4: Simplify right side
    13,502.74x = 146,824,478.60
  5. Step 5: Solve for x
    x = 146,824,478.60/13,502.74
  6. Step 6: Final answer
    x = 10,873.68

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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.