Home / 16,490.74-24,730.89-5,394.87

Finding the Fourth Proportional to 16,490.74, 24,730.89 and 5,394.87

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Solution

The fourth proportional to 16,490.74, 24,730.89 and 5,394.87 is: 8,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,490.74 : 24,730.89 = 5,394.87 : x
  2. Step 2: Convert to fraction form
    16,490.74/24,730.89 = 5,394.87/x
  3. Step 3: Cross multiply
    16,490.74x = 24,730.89 × 5,394.87
  4. Step 4: Simplify right side
    16,490.74x = 133,419,936.53
  5. Step 5: Solve for x
    x = 133,419,936.53/16,490.74
  6. Step 6: Final answer
    x = 8,090.60

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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.