Home / 28,632.14-39,504.26-18,561

Finding the Fourth Proportional to 28,632.14, 39,504.26 and 18,561

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Solution

The fourth proportional to 28,632.14, 39,504.26 and 18,561 is: 25,608.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,632.14 : 39,504.26 = 18,561 : x
  2. Step 2: Convert to fraction form
    28,632.14/39,504.26 = 18,561/x
  3. Step 3: Cross multiply
    28,632.14x = 39,504.26 × 18,561
  4. Step 4: Simplify right side
    28,632.14x = 733,238,569.86
  5. Step 5: Solve for x
    x = 733,238,569.86/28,632.14
  6. Step 6: Final answer
    x = 25,608.93

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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.