Home / 16,869.60-25,301.04-5,775.36

Finding the Fourth Proportional to 16,869.60, 25,301.04 and 5,775.36

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Solution

The fourth proportional to 16,869.60, 25,301.04 and 5,775.36 is: 8,661.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.60 : 25,301.04 = 5,775.36 : x
  2. Step 2: Convert to fraction form
    16,869.60/25,301.04 = 5,775.36/x
  3. Step 3: Cross multiply
    16,869.60x = 25,301.04 × 5,775.36
  4. Step 4: Simplify right side
    16,869.60x = 146,122,614.37
  5. Step 5: Solve for x
    x = 146,122,614.37/16,869.60
  6. Step 6: Final answer
    x = 8,661.89

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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.