Home / 19,891.09-27,281.53-17,649.08

Finding the Fourth Proportional to 19,891.09, 27,281.53 and 17,649.08

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Solution

The fourth proportional to 19,891.09, 27,281.53 and 17,649.08 is: 24,206.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,891.09 : 27,281.53 = 17,649.08 : x
  2. Step 2: Convert to fraction form
    19,891.09/27,281.53 = 17,649.08/x
  3. Step 3: Cross multiply
    19,891.09x = 27,281.53 × 17,649.08
  4. Step 4: Simplify right side
    19,891.09x = 481,493,904.73
  5. Step 5: Solve for x
    x = 481,493,904.73/19,891.09
  6. Step 6: Final answer
    x = 24,206.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.