Home / 18,364.22-27,535.38-7,272.50

Finding the Fourth Proportional to 18,364.22, 27,535.38 and 7,272.50

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Solution

The fourth proportional to 18,364.22, 27,535.38 and 7,272.50 is: 10,904.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,364.22 : 27,535.38 = 7,272.50 : x
  2. Step 2: Convert to fraction form
    18,364.22/27,535.38 = 7,272.50/x
  3. Step 3: Cross multiply
    18,364.22x = 27,535.38 × 7,272.50
  4. Step 4: Simplify right side
    18,364.22x = 200,251,051.05
  5. Step 5: Solve for x
    x = 200,251,051.05/18,364.22
  6. Step 6: Final answer
    x = 10,904.41

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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.