Home / 16,993.12-25,489.68-5,307.34

Finding the Fourth Proportional to 16,993.12, 25,489.68 and 5,307.34

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Solution

The fourth proportional to 16,993.12, 25,489.68 and 5,307.34 is: 7,961.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,993.12 : 25,489.68 = 5,307.34 : x
  2. Step 2: Convert to fraction form
    16,993.12/25,489.68 = 5,307.34/x
  3. Step 3: Cross multiply
    16,993.12x = 25,489.68 × 5,307.34
  4. Step 4: Simplify right side
    16,993.12x = 135,282,398.25
  5. Step 5: Solve for x
    x = 135,282,398.25/16,993.12
  6. Step 6: Final answer
    x = 7,961.01

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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.