Home / 13,942.56-19,240.92-7,655.04

Finding the Fourth Proportional to 13,942.56, 19,240.92 and 7,655.04

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Solution

The fourth proportional to 13,942.56, 19,240.92 and 7,655.04 is: 10,564.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.56 : 19,240.92 = 7,655.04 : x
  2. Step 2: Convert to fraction form
    13,942.56/19,240.92 = 7,655.04/x
  3. Step 3: Cross multiply
    13,942.56x = 19,240.92 × 7,655.04
  4. Step 4: Simplify right side
    13,942.56x = 147,290,012.24
  5. Step 5: Solve for x
    x = 147,290,012.24/13,942.56
  6. Step 6: Final answer
    x = 10,564.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.