Home / 18,574.24-27,720.20-17,330.08

Finding the Fourth Proportional to 18,574.24, 27,720.20 and 17,330.08

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Solution

The fourth proportional to 18,574.24, 27,720.20 and 17,330.08 is: 25,863.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574.24 : 27,720.20 = 17,330.08 : x
  2. Step 2: Convert to fraction form
    18,574.24/27,720.20 = 17,330.08/x
  3. Step 3: Cross multiply
    18,574.24x = 27,720.20 × 17,330.08
  4. Step 4: Simplify right side
    18,574.24x = 480,393,283.62
  5. Step 5: Solve for x
    x = 480,393,283.62/18,574.24
  6. Step 6: Final answer
    x = 25,863.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.