Home / 15,436.31-23,154.29-3,749.54

Finding the Fourth Proportional to 15,436.31, 23,154.29 and 3,749.54

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Solution

The fourth proportional to 15,436.31, 23,154.29 and 3,749.54 is: 5,624.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.31 : 23,154.29 = 3,749.54 : x
  2. Step 2: Convert to fraction form
    15,436.31/23,154.29 = 3,749.54/x
  3. Step 3: Cross multiply
    15,436.31x = 23,154.29 × 3,749.54
  4. Step 4: Simplify right side
    15,436.31x = 86,817,917.78
  5. Step 5: Solve for x
    x = 86,817,917.78/15,436.31
  6. Step 6: Final answer
    x = 5,624.27

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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.