Home / 19,643.18-27,107.12-11,029.14

Finding the Fourth Proportional to 19,643.18, 27,107.12 and 11,029.14

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Solution

The fourth proportional to 19,643.18, 27,107.12 and 11,029.14 is: 15,219.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643.18 : 27,107.12 = 11,029.14 : x
  2. Step 2: Convert to fraction form
    19,643.18/27,107.12 = 11,029.14/x
  3. Step 3: Cross multiply
    19,643.18x = 27,107.12 × 11,029.14
  4. Step 4: Simplify right side
    19,643.18x = 298,968,221.48
  5. Step 5: Solve for x
    x = 298,968,221.48/19,643.18
  6. Step 6: Final answer
    x = 15,219.95

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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.