Home / 15,412.75-23,119.12-3,725.96

Finding the Fourth Proportional to 15,412.75, 23,119.12 and 3,725.96

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Solution

The fourth proportional to 15,412.75, 23,119.12 and 3,725.96 is: 5,588.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412.75 : 23,119.12 = 3,725.96 : x
  2. Step 2: Convert to fraction form
    15,412.75/23,119.12 = 3,725.96/x
  3. Step 3: Cross multiply
    15,412.75x = 23,119.12 × 3,725.96
  4. Step 4: Simplify right side
    15,412.75x = 86,140,916.36
  5. Step 5: Solve for x
    x = 86,140,916.36/15,412.75
  6. Step 6: Final answer
    x = 5,588.94

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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.