Home / 16,891.33-25,341.12-11,903.43

Finding the Fourth Proportional to 16,891.33, 25,341.12 and 11,903.43

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Solution

The fourth proportional to 16,891.33, 25,341.12 and 11,903.43 is: 17,858.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891.33 : 25,341.12 = 11,903.43 : x
  2. Step 2: Convert to fraction form
    16,891.33/25,341.12 = 11,903.43/x
  3. Step 3: Cross multiply
    16,891.33x = 25,341.12 × 11,903.43
  4. Step 4: Simplify right side
    16,891.33x = 301,646,178.21
  5. Step 5: Solve for x
    x = 301,646,178.21/16,891.33
  6. Step 6: Final answer
    x = 17,858.05

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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.