Home / 28,502.55-39,338.26-18,433.24

Finding the Fourth Proportional to 28,502.55, 39,338.26 and 18,433.24

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Solution

The fourth proportional to 28,502.55, 39,338.26 and 18,433.24 is: 25,440.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,502.55 : 39,338.26 = 18,433.24 : x
  2. Step 2: Convert to fraction form
    28,502.55/39,338.26 = 18,433.24/x
  3. Step 3: Cross multiply
    28,502.55x = 39,338.26 × 18,433.24
  4. Step 4: Simplify right side
    28,502.55x = 725,131,443.33
  5. Step 5: Solve for x
    x = 725,131,443.33/28,502.55
  6. Step 6: Final answer
    x = 25,440.93

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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.