Home / 25,490.40-38,246.40-16,137.60

Finding the Fourth Proportional to 25,490.40, 38,246.40 and 16,137.60

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Solution

The fourth proportional to 25,490.40, 38,246.40 and 16,137.60 is: 24,213.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,490.40 : 38,246.40 = 16,137.60 : x
  2. Step 2: Convert to fraction form
    25,490.40/38,246.40 = 16,137.60/x
  3. Step 3: Cross multiply
    25,490.40x = 38,246.40 × 16,137.60
  4. Step 4: Simplify right side
    25,490.40x = 617,205,104.64
  5. Step 5: Solve for x
    x = 617,205,104.64/25,490.40
  6. Step 6: Final answer
    x = 24,213.24

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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.