Home / 18,382.47-27,551.83-10,574.88

Finding the Fourth Proportional to 18,382.47, 27,551.83 and 10,574.88

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Solution

The fourth proportional to 18,382.47, 27,551.83 and 10,574.88 is: 15,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.47 : 27,551.83 = 10,574.88 : x
  2. Step 2: Convert to fraction form
    18,382.47/27,551.83 = 10,574.88/x
  3. Step 3: Cross multiply
    18,382.47x = 27,551.83 × 10,574.88
  4. Step 4: Simplify right side
    18,382.47x = 291,357,296.03
  5. Step 5: Solve for x
    x = 291,357,296.03/18,382.47
  6. Step 6: Final answer
    x = 15,849.74

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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.