Home / 15,405.54-23,103.96-4,876.38

Finding the Fourth Proportional to 15,405.54, 23,103.96 and 4,876.38

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Solution

The fourth proportional to 15,405.54, 23,103.96 and 4,876.38 is: 7,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,405.54 : 23,103.96 = 4,876.38 : x
  2. Step 2: Convert to fraction form
    15,405.54/23,103.96 = 4,876.38/x
  3. Step 3: Cross multiply
    15,405.54x = 23,103.96 × 4,876.38
  4. Step 4: Simplify right side
    15,405.54x = 112,663,688.46
  5. Step 5: Solve for x
    x = 112,663,688.46/15,405.54
  6. Step 6: Final answer
    x = 7,313.19

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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.