Home / 25,457.92-38,179.50-10,666.42

Finding the Fourth Proportional to 25,457.92, 38,179.50 and 10,666.42

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Solution

The fourth proportional to 25,457.92, 38,179.50 and 10,666.42 is: 15,996.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,457.92 : 38,179.50 = 10,666.42 : x
  2. Step 2: Convert to fraction form
    25,457.92/38,179.50 = 10,666.42/x
  3. Step 3: Cross multiply
    25,457.92x = 38,179.50 × 10,666.42
  4. Step 4: Simplify right side
    25,457.92x = 407,238,582.39
  5. Step 5: Solve for x
    x = 407,238,582.39/25,457.92
  6. Step 6: Final answer
    x = 15,996.54

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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.