Home / 13,942.14-19,239.57-7,654.11

Finding the Fourth Proportional to 13,942.14, 19,239.57 and 7,654.11

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Solution

The fourth proportional to 13,942.14, 19,239.57 and 7,654.11 is: 10,562.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.14 : 19,239.57 = 7,654.11 : x
  2. Step 2: Convert to fraction form
    13,942.14/19,239.57 = 7,654.11/x
  3. Step 3: Cross multiply
    13,942.14x = 19,239.57 × 7,654.11
  4. Step 4: Simplify right side
    13,942.14x = 147,261,785.13
  5. Step 5: Solve for x
    x = 147,261,785.13/13,942.14
  6. Step 6: Final answer
    x = 10,562.35

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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.