Home / 25,859.90-35,674.45-22,123.20

Finding the Fourth Proportional to 25,859.90, 35,674.45 and 22,123.20

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Solution

The fourth proportional to 25,859.90, 35,674.45 and 22,123.20 is: 30,519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,859.90 : 35,674.45 = 22,123.20 : x
  2. Step 2: Convert to fraction form
    25,859.90/35,674.45 = 22,123.20/x
  3. Step 3: Cross multiply
    25,859.90x = 35,674.45 × 22,123.20
  4. Step 4: Simplify right side
    25,859.90x = 789,232,936.93
  5. Step 5: Solve for x
    x = 789,232,936.93/25,859.90
  6. Step 6: Final answer
    x = 30,519.57

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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.