Home / 18,370.34-27,559.85-5,222.83

Finding the Fourth Proportional to 18,370.34, 27,559.85 and 5,222.83

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Solution

The fourth proportional to 18,370.34, 27,559.85 and 5,222.83 is: 7,835.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.34 : 27,559.85 = 5,222.83 : x
  2. Step 2: Convert to fraction form
    18,370.34/27,559.85 = 5,222.83/x
  3. Step 3: Cross multiply
    18,370.34x = 27,559.85 × 5,222.83
  4. Step 4: Simplify right side
    18,370.34x = 143,940,368.04
  5. Step 5: Solve for x
    x = 143,940,368.04/18,370.34
  6. Step 6: Final answer
    x = 7,835.47

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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.