Home / 18,932.05-26,110.92-18,166.60

Finding the Fourth Proportional to 18,932.05, 26,110.92 and 18,166.60

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Solution

The fourth proportional to 18,932.05, 26,110.92 and 18,166.60 is: 25,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.05 : 26,110.92 = 18,166.60 : x
  2. Step 2: Convert to fraction form
    18,932.05/26,110.92 = 18,166.60/x
  3. Step 3: Cross multiply
    18,932.05x = 26,110.92 × 18,166.60
  4. Step 4: Simplify right side
    18,932.05x = 474,346,639.27
  5. Step 5: Solve for x
    x = 474,346,639.27/18,932.05
  6. Step 6: Final answer
    x = 25,055.22

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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.