Home / 13,941.38-19,239.17-7,653.75

Finding the Fourth Proportional to 13,941.38, 19,239.17 and 7,653.75

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Solution

The fourth proportional to 13,941.38, 19,239.17 and 7,653.75 is: 10,562.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.38 : 19,239.17 = 7,653.75 : x
  2. Step 2: Convert to fraction form
    13,941.38/19,239.17 = 7,653.75/x
  3. Step 3: Cross multiply
    13,941.38x = 19,239.17 × 7,653.75
  4. Step 4: Simplify right side
    13,941.38x = 147,251,759.12
  5. Step 5: Solve for x
    x = 147,251,759.12/13,941.38
  6. Step 6: Final answer
    x = 10,562.21

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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.