Home / 16,700.47-25,052.78-5,455.55

Finding the Fourth Proportional to 16,700.47, 25,052.78 and 5,455.55

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Solution

The fourth proportional to 16,700.47, 25,052.78 and 5,455.55 is: 8,184.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,700.47 : 25,052.78 = 5,455.55 : x
  2. Step 2: Convert to fraction form
    16,700.47/25,052.78 = 5,455.55/x
  3. Step 3: Cross multiply
    16,700.47x = 25,052.78 × 5,455.55
  4. Step 4: Simplify right side
    16,700.47x = 136,676,770.20
  5. Step 5: Solve for x
    x = 136,676,770.20/16,700.47
  6. Step 6: Final answer
    x = 8,184.01

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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.