Home / 13,936.16-19,232.52-7,649.12

Finding the Fourth Proportional to 13,936.16, 19,232.52 and 7,649.12

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Solution

The fourth proportional to 13,936.16, 19,232.52 and 7,649.12 is: 10,556.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.16 : 19,232.52 = 7,649.12 : x
  2. Step 2: Convert to fraction form
    13,936.16/19,232.52 = 7,649.12/x
  3. Step 3: Cross multiply
    13,936.16x = 19,232.52 × 7,649.12
  4. Step 4: Simplify right side
    13,936.16x = 147,111,853.38
  5. Step 5: Solve for x
    x = 147,111,853.38/13,936.16
  6. Step 6: Final answer
    x = 10,556.13

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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.