Home / 15,876.42-23,815.80-5,346.39

Finding the Fourth Proportional to 15,876.42, 23,815.80 and 5,346.39

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Solution

The fourth proportional to 15,876.42, 23,815.80 and 5,346.39 is: 8,019.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,876.42 : 23,815.80 = 5,346.39 : x
  2. Step 2: Convert to fraction form
    15,876.42/23,815.80 = 5,346.39/x
  3. Step 3: Cross multiply
    15,876.42x = 23,815.80 × 5,346.39
  4. Step 4: Simplify right side
    15,876.42x = 127,328,554.96
  5. Step 5: Solve for x
    x = 127,328,554.96/15,876.42
  6. Step 6: Final answer
    x = 8,019.98

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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.