Home / 19,867.51-29,940.82-17,895.61

Finding the Fourth Proportional to 19,867.51, 29,940.82 and 17,895.61

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Solution

The fourth proportional to 19,867.51, 29,940.82 and 17,895.61 is: 26,969.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,867.51 : 29,940.82 = 17,895.61 : x
  2. Step 2: Convert to fraction form
    19,867.51/29,940.82 = 17,895.61/x
  3. Step 3: Cross multiply
    19,867.51x = 29,940.82 × 17,895.61
  4. Step 4: Simplify right side
    19,867.51x = 535,809,237.80
  5. Step 5: Solve for x
    x = 535,809,237.80/19,867.51
  6. Step 6: Final answer
    x = 26,969.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.