Home / 20,178.45-30,382.83-17,852.94

Finding the Fourth Proportional to 20,178.45, 30,382.83 and 17,852.94

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Solution

The fourth proportional to 20,178.45, 30,382.83 and 17,852.94 is: 26,881.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178.45 : 30,382.83 = 17,852.94 : x
  2. Step 2: Convert to fraction form
    20,178.45/30,382.83 = 17,852.94/x
  3. Step 3: Cross multiply
    20,178.45x = 30,382.83 × 17,852.94
  4. Step 4: Simplify right side
    20,178.45x = 542,422,841.02
  5. Step 5: Solve for x
    x = 542,422,841.02/20,178.45
  6. Step 6: Final answer
    x = 26,881.29

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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.