Home / 16,777.89-25,165.40-7,891.14

Finding the Fourth Proportional to 16,777.89, 25,165.40 and 7,891.14

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Solution

The fourth proportional to 16,777.89, 25,165.40 and 7,891.14 is: 11,836.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,777.89 : 25,165.40 = 7,891.14 : x
  2. Step 2: Convert to fraction form
    16,777.89/25,165.40 = 7,891.14/x
  3. Step 3: Cross multiply
    16,777.89x = 25,165.40 × 7,891.14
  4. Step 4: Simplify right side
    16,777.89x = 198,583,549.00
  5. Step 5: Solve for x
    x = 198,583,549.00/16,777.89
  6. Step 6: Final answer
    x = 11,836.02

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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.