Home / 18,536.45-27,804.01-5,209.55

Finding the Fourth Proportional to 18,536.45, 27,804.01 and 5,209.55

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Solution

The fourth proportional to 18,536.45, 27,804.01 and 5,209.55 is: 7,814.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.45 : 27,804.01 = 5,209.55 : x
  2. Step 2: Convert to fraction form
    18,536.45/27,804.01 = 5,209.55/x
  3. Step 3: Cross multiply
    18,536.45x = 27,804.01 × 5,209.55
  4. Step 4: Simplify right side
    18,536.45x = 144,846,342.28
  5. Step 5: Solve for x
    x = 144,846,342.28/18,536.45
  6. Step 6: Final answer
    x = 7,814.14

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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.