Home / 13,754.48-20,613.25-7,505.13

Finding the Fourth Proportional to 13,754.48, 20,613.25 and 7,505.13

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Solution

The fourth proportional to 13,754.48, 20,613.25 and 7,505.13 is: 11,247.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.48 : 20,613.25 = 7,505.13 : x
  2. Step 2: Convert to fraction form
    13,754.48/20,613.25 = 7,505.13/x
  3. Step 3: Cross multiply
    13,754.48x = 20,613.25 × 7,505.13
  4. Step 4: Simplify right side
    13,754.48x = 154,705,120.97
  5. Step 5: Solve for x
    x = 154,705,120.97/13,754.48
  6. Step 6: Final answer
    x = 11,247.62

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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.