Home / 13,844.25-19,105.47-7,557.03

Finding the Fourth Proportional to 13,844.25, 19,105.47 and 7,557.03

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Solution

The fourth proportional to 13,844.25, 19,105.47 and 7,557.03 is: 10,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.25 : 19,105.47 = 7,557.03 : x
  2. Step 2: Convert to fraction form
    13,844.25/19,105.47 = 7,557.03/x
  3. Step 3: Cross multiply
    13,844.25x = 19,105.47 × 7,557.03
  4. Step 4: Simplify right side
    13,844.25x = 144,380,609.95
  5. Step 5: Solve for x
    x = 144,380,609.95/13,844.25
  6. Step 6: Final answer
    x = 10,428.92

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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.