Home / 14,358.33-21,521.09-7,790.04

Finding the Fourth Proportional to 14,358.33, 21,521.09 and 7,790.04

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Solution

The fourth proportional to 14,358.33, 21,521.09 and 7,790.04 is: 11,676.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358.33 : 21,521.09 = 7,790.04 : x
  2. Step 2: Convert to fraction form
    14,358.33/21,521.09 = 7,790.04/x
  3. Step 3: Cross multiply
    14,358.33x = 21,521.09 × 7,790.04
  4. Step 4: Simplify right side
    14,358.33x = 167,650,171.42
  5. Step 5: Solve for x
    x = 167,650,171.42/14,358.33
  6. Step 6: Final answer
    x = 11,676.16

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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.