Home / 16,801.20-25,165.35-9,000.90

Finding the Fourth Proportional to 16,801.20, 25,165.35 and 9,000.90

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Solution

The fourth proportional to 16,801.20, 25,165.35 and 9,000.90 is: 13,481.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,801.20 : 25,165.35 = 9,000.90 : x
  2. Step 2: Convert to fraction form
    16,801.20/25,165.35 = 9,000.90/x
  3. Step 3: Cross multiply
    16,801.20x = 25,165.35 × 9,000.90
  4. Step 4: Simplify right side
    16,801.20x = 226,510,798.82
  5. Step 5: Solve for x
    x = 226,510,798.82/16,801.20
  6. Step 6: Final answer
    x = 13,481.82

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1.5x scale

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.