Home / 19,750.48-27,252.68-12,677.84

Finding the Fourth Proportional to 19,750.48, 27,252.68 and 12,677.84

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Solution

The fourth proportional to 19,750.48, 27,252.68 and 12,677.84 is: 17,493.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,750.48 : 27,252.68 = 12,677.84 : x
  2. Step 2: Convert to fraction form
    19,750.48/27,252.68 = 12,677.84/x
  3. Step 3: Cross multiply
    19,750.48x = 27,252.68 × 12,677.84
  4. Step 4: Simplify right side
    19,750.48x = 345,505,116.61
  5. Step 5: Solve for x
    x = 345,505,116.61/19,750.48
  6. Step 6: Final answer
    x = 17,493.50

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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.