Home / 15,566.54-23,353.89-5,178.38

Finding the Fourth Proportional to 15,566.54, 23,353.89 and 5,178.38

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Solution

The fourth proportional to 15,566.54, 23,353.89 and 5,178.38 is: 7,768.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566.54 : 23,353.89 = 5,178.38 : x
  2. Step 2: Convert to fraction form
    15,566.54/23,353.89 = 5,178.38/x
  3. Step 3: Cross multiply
    15,566.54x = 23,353.89 × 5,178.38
  4. Step 4: Simplify right side
    15,566.54x = 120,935,316.90
  5. Step 5: Solve for x
    x = 120,935,316.90/15,566.54
  6. Step 6: Final answer
    x = 7,768.93

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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.