Home / 19,625.90-27,086.43-14,902.70

Finding the Fourth Proportional to 19,625.90, 27,086.43 and 14,902.70

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Solution

The fourth proportional to 19,625.90, 27,086.43 and 14,902.70 is: 20,567.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,625.90 : 27,086.43 = 14,902.70 : x
  2. Step 2: Convert to fraction form
    19,625.90/27,086.43 = 14,902.70/x
  3. Step 3: Cross multiply
    19,625.90x = 27,086.43 × 14,902.70
  4. Step 4: Simplify right side
    19,625.90x = 403,660,940.36
  5. Step 5: Solve for x
    x = 403,660,940.36/19,625.90
  6. Step 6: Final answer
    x = 20,567.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.