Home / 47,623.44-71,428.14-12,565.56

Finding the Fourth Proportional to 47,623.44, 71,428.14 and 12,565.56

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Solution

The fourth proportional to 47,623.44, 71,428.14 and 12,565.56 is: 18,846.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,623.44 : 71,428.14 = 12,565.56 : x
  2. Step 2: Convert to fraction form
    47,623.44/71,428.14 = 12,565.56/x
  3. Step 3: Cross multiply
    47,623.44x = 71,428.14 × 12,565.56
  4. Step 4: Simplify right side
    47,623.44x = 897,534,578.86
  5. Step 5: Solve for x
    x = 897,534,578.86/47,623.44
  6. Step 6: Final answer
    x = 18,846.49

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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.