Home / 13,936.38-19,232.02-7,648.76

Finding the Fourth Proportional to 13,936.38, 19,232.02 and 7,648.76

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Solution

The fourth proportional to 13,936.38, 19,232.02 and 7,648.76 is: 10,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.38 : 19,232.02 = 7,648.76 : x
  2. Step 2: Convert to fraction form
    13,936.38/19,232.02 = 7,648.76/x
  3. Step 3: Cross multiply
    13,936.38x = 19,232.02 × 7,648.76
  4. Step 4: Simplify right side
    13,936.38x = 147,101,105.30
  5. Step 5: Solve for x
    x = 147,101,105.30/13,936.38
  6. Step 6: Final answer
    x = 10,555.19

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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.