Home / 16,783.20-25,158.80-6,250.40

Finding the Fourth Proportional to 16,783.20, 25,158.80 and 6,250.40

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Solution

The fourth proportional to 16,783.20, 25,158.80 and 6,250.40 is: 9,369.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.20 : 25,158.80 = 6,250.40 : x
  2. Step 2: Convert to fraction form
    16,783.20/25,158.80 = 6,250.40/x
  3. Step 3: Cross multiply
    16,783.20x = 25,158.80 × 6,250.40
  4. Step 4: Simplify right side
    16,783.20x = 157,252,563.52
  5. Step 5: Solve for x
    x = 157,252,563.52/16,783.20
  6. Step 6: Final answer
    x = 9,369.64

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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.