Home / 18,410.81-27,619.65-10,086.23

Finding the Fourth Proportional to 18,410.81, 27,619.65 and 10,086.23

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Solution

The fourth proportional to 18,410.81, 27,619.65 and 10,086.23 is: 15,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.81 : 27,619.65 = 10,086.23 : x
  2. Step 2: Convert to fraction form
    18,410.81/27,619.65 = 10,086.23/x
  3. Step 3: Cross multiply
    18,410.81x = 27,619.65 × 10,086.23
  4. Step 4: Simplify right side
    18,410.81x = 278,578,211.47
  5. Step 5: Solve for x
    x = 278,578,211.47/18,410.81
  6. Step 6: Final answer
    x = 15,131.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.