Home / 16,890.81-25,336.74-5,797.35

Finding the Fourth Proportional to 16,890.81, 25,336.74 and 5,797.35

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Solution

The fourth proportional to 16,890.81, 25,336.74 and 5,797.35 is: 8,696.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890.81 : 25,336.74 = 5,797.35 : x
  2. Step 2: Convert to fraction form
    16,890.81/25,336.74 = 5,797.35/x
  3. Step 3: Cross multiply
    16,890.81x = 25,336.74 × 5,797.35
  4. Step 4: Simplify right side
    16,890.81x = 146,885,949.64
  5. Step 5: Solve for x
    x = 146,885,949.64/16,890.81
  6. Step 6: Final answer
    x = 8,696.21

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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.