Home / 19,637.82-27,104.04-11,140.08

Finding the Fourth Proportional to 19,637.82, 27,104.04 and 11,140.08

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Solution

The fourth proportional to 19,637.82, 27,104.04 and 11,140.08 is: 15,375.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.82 : 27,104.04 = 11,140.08 : x
  2. Step 2: Convert to fraction form
    19,637.82/27,104.04 = 11,140.08/x
  3. Step 3: Cross multiply
    19,637.82x = 27,104.04 × 11,140.08
  4. Step 4: Simplify right side
    19,637.82x = 301,941,173.92
  5. Step 5: Solve for x
    x = 301,941,173.92/19,637.82
  6. Step 6: Final answer
    x = 15,375.49

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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.