Home / 25,381.14-35,026.79-16,868.44

Finding the Fourth Proportional to 25,381.14, 35,026.79 and 16,868.44

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Solution

The fourth proportional to 25,381.14, 35,026.79 and 16,868.44 is: 23,278.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,381.14 : 35,026.79 = 16,868.44 : x
  2. Step 2: Convert to fraction form
    25,381.14/35,026.79 = 16,868.44/x
  3. Step 3: Cross multiply
    25,381.14x = 35,026.79 × 16,868.44
  4. Step 4: Simplify right side
    25,381.14x = 590,847,305.51
  5. Step 5: Solve for x
    x = 590,847,305.51/25,381.14
  6. Step 6: Final answer
    x = 23,278.99

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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.