Home / 19,740.04-27,241.56-11,786.92

Finding the Fourth Proportional to 19,740.04, 27,241.56 and 11,786.92

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Solution

The fourth proportional to 19,740.04, 27,241.56 and 11,786.92 is: 16,266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.04 : 27,241.56 = 11,786.92 : x
  2. Step 2: Convert to fraction form
    19,740.04/27,241.56 = 11,786.92/x
  3. Step 3: Cross multiply
    19,740.04x = 27,241.56 × 11,786.92
  4. Step 4: Simplify right side
    19,740.04x = 321,094,088.40
  5. Step 5: Solve for x
    x = 321,094,088.40/19,740.04
  6. Step 6: Final answer
    x = 16,266.13

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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.