Home / 15,411.65-23,103.44-5,548.69

Finding the Fourth Proportional to 15,411.65, 23,103.44 and 5,548.69

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Solution

The fourth proportional to 15,411.65, 23,103.44 and 5,548.69 is: 8,317.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,411.65 : 23,103.44 = 5,548.69 : x
  2. Step 2: Convert to fraction form
    15,411.65/23,103.44 = 5,548.69/x
  3. Step 3: Cross multiply
    15,411.65x = 23,103.44 × 5,548.69
  4. Step 4: Simplify right side
    15,411.65x = 128,193,683.23
  5. Step 5: Solve for x
    x = 128,193,683.23/15,411.65
  6. Step 6: Final answer
    x = 8,317.97

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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.