Home / 16,988.90-25,478.46-5,743.04

Finding the Fourth Proportional to 16,988.90, 25,478.46 and 5,743.04

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Solution

The fourth proportional to 16,988.90, 25,478.46 and 5,743.04 is: 8,612.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,988.90 : 25,478.46 = 5,743.04 : x
  2. Step 2: Convert to fraction form
    16,988.90/25,478.46 = 5,743.04/x
  3. Step 3: Cross multiply
    16,988.90x = 25,478.46 × 5,743.04
  4. Step 4: Simplify right side
    16,988.90x = 146,323,814.92
  5. Step 5: Solve for x
    x = 146,323,814.92/16,988.90
  6. Step 6: Final answer
    x = 8,612.91

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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.