Home / 25,414.65-35,084.61-16,921.80

Finding the Fourth Proportional to 25,414.65, 35,084.61 and 16,921.80

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Solution

The fourth proportional to 25,414.65, 35,084.61 and 16,921.80 is: 23,360.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,414.65 : 35,084.61 = 16,921.80 : x
  2. Step 2: Convert to fraction form
    25,414.65/35,084.61 = 16,921.80/x
  3. Step 3: Cross multiply
    25,414.65x = 35,084.61 × 16,921.80
  4. Step 4: Simplify right side
    25,414.65x = 593,694,753.50
  5. Step 5: Solve for x
    x = 593,694,753.50/25,414.65
  6. Step 6: Final answer
    x = 23,360.34

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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.