Home / 25,176.20-37,721.10-16,406.60

Finding the Fourth Proportional to 25,176.20, 37,721.10 and 16,406.60

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Solution

The fourth proportional to 25,176.20, 37,721.10 and 16,406.60 is: 24,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,176.20 : 37,721.10 = 16,406.60 : x
  2. Step 2: Convert to fraction form
    25,176.20/37,721.10 = 16,406.60/x
  3. Step 3: Cross multiply
    25,176.20x = 37,721.10 × 16,406.60
  4. Step 4: Simplify right side
    25,176.20x = 618,874,999.26
  5. Step 5: Solve for x
    x = 618,874,999.26/25,176.20
  6. Step 6: Final answer
    x = 24,581.75

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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.