Home / 25,372.71-35,020.80-16,889.04

Finding the Fourth Proportional to 25,372.71, 35,020.80 and 16,889.04

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Solution

The fourth proportional to 25,372.71, 35,020.80 and 16,889.04 is: 23,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,372.71 : 35,020.80 = 16,889.04 : x
  2. Step 2: Convert to fraction form
    25,372.71/35,020.80 = 16,889.04/x
  3. Step 3: Cross multiply
    25,372.71x = 35,020.80 × 16,889.04
  4. Step 4: Simplify right side
    25,372.71x = 591,467,692.03
  5. Step 5: Solve for x
    x = 591,467,692.03/25,372.71
  6. Step 6: Final answer
    x = 23,311.18

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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.