Home / 13,932.48-19,145.04-11,133.12

Finding the Fourth Proportional to 13,932.48, 19,145.04 and 11,133.12

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Solution

The fourth proportional to 13,932.48, 19,145.04 and 11,133.12 is: 15,298.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.48 : 19,145.04 = 11,133.12 : x
  2. Step 2: Convert to fraction form
    13,932.48/19,145.04 = 11,133.12/x
  3. Step 3: Cross multiply
    13,932.48x = 19,145.04 × 11,133.12
  4. Step 4: Simplify right side
    13,932.48x = 213,144,027.72
  5. Step 5: Solve for x
    x = 213,144,027.72/13,932.48
  6. Step 6: Final answer
    x = 15,298.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.