Home / 19,649.04-27,115.20-11,265

Finding the Fourth Proportional to 19,649.04, 27,115.20 and 11,265

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Solution

The fourth proportional to 19,649.04, 27,115.20 and 11,265 is: 15,545.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,649.04 : 27,115.20 = 11,265 : x
  2. Step 2: Convert to fraction form
    19,649.04/27,115.20 = 11,265/x
  3. Step 3: Cross multiply
    19,649.04x = 27,115.20 × 11,265
  4. Step 4: Simplify right side
    19,649.04x = 305,452,728
  5. Step 5: Solve for x
    x = 305,452,728/19,649.04
  6. Step 6: Final answer
    x = 15,545.43

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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.