Home / 15,568.54-23,356.89-5,180.38

Finding the Fourth Proportional to 15,568.54, 23,356.89 and 5,180.38

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Solution

The fourth proportional to 15,568.54, 23,356.89 and 5,180.38 is: 7,771.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568.54 : 23,356.89 = 5,180.38 : x
  2. Step 2: Convert to fraction form
    15,568.54/23,356.89 = 5,180.38/x
  3. Step 3: Cross multiply
    15,568.54x = 23,356.89 × 5,180.38
  4. Step 4: Simplify right side
    15,568.54x = 120,997,565.82
  5. Step 5: Solve for x
    x = 120,997,565.82/15,568.54
  6. Step 6: Final answer
    x = 7,771.93

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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.