Home / 18,725.86-28,092.63-7,632.59

Finding the Fourth Proportional to 18,725.86, 28,092.63 and 7,632.59

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Solution

The fourth proportional to 18,725.86, 28,092.63 and 7,632.59 is: 11,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.86 : 28,092.63 = 7,632.59 : x
  2. Step 2: Convert to fraction form
    18,725.86/28,092.63 = 7,632.59/x
  3. Step 3: Cross multiply
    18,725.86x = 28,092.63 × 7,632.59
  4. Step 4: Simplify right side
    18,725.86x = 214,419,526.81
  5. Step 5: Solve for x
    x = 214,419,526.81/18,725.86
  6. Step 6: Final answer
    x = 11,450.45

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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.