Home / 19,936.62-27,512.46-10,985.04

Finding the Fourth Proportional to 19,936.62, 27,512.46 and 10,985.04

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Solution

The fourth proportional to 19,936.62, 27,512.46 and 10,985.04 is: 15,159.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.62 : 27,512.46 = 10,985.04 : x
  2. Step 2: Convert to fraction form
    19,936.62/27,512.46 = 10,985.04/x
  3. Step 3: Cross multiply
    19,936.62x = 27,512.46 × 10,985.04
  4. Step 4: Simplify right side
    19,936.62x = 302,225,473.60
  5. Step 5: Solve for x
    x = 302,225,473.60/19,936.62
  6. Step 6: Final answer
    x = 15,159.31

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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.