Home / 20,180.69-27,832.73-17,913.68

Finding the Fourth Proportional to 20,180.69, 27,832.73 and 17,913.68

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Solution

The fourth proportional to 20,180.69, 27,832.73 and 17,913.68 is: 24,706.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.69 : 27,832.73 = 17,913.68 : x
  2. Step 2: Convert to fraction form
    20,180.69/27,832.73 = 17,913.68/x
  3. Step 3: Cross multiply
    20,180.69x = 27,832.73 × 17,913.68
  4. Step 4: Simplify right side
    20,180.69x = 498,586,733.11
  5. Step 5: Solve for x
    x = 498,586,733.11/20,180.69
  6. Step 6: Final answer
    x = 24,706.14

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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.