Home / 13,753.48-20,611.75-7,504.13

Finding the Fourth Proportional to 13,753.48, 20,611.75 and 7,504.13

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Solution

The fourth proportional to 13,753.48, 20,611.75 and 7,504.13 is: 11,246.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.48 : 20,611.75 = 7,504.13 : x
  2. Step 2: Convert to fraction form
    13,753.48/20,611.75 = 7,504.13/x
  3. Step 3: Cross multiply
    13,753.48x = 20,611.75 × 7,504.13
  4. Step 4: Simplify right side
    13,753.48x = 154,673,251.53
  5. Step 5: Solve for x
    x = 154,673,251.53/13,753.48
  6. Step 6: Final answer
    x = 11,246.12

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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.