Home / 25,451.49-35,113.45-18,753.12

Finding the Fourth Proportional to 25,451.49, 35,113.45 and 18,753.12

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Solution

The fourth proportional to 25,451.49, 35,113.45 and 18,753.12 is: 25,872.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451.49 : 35,113.45 = 18,753.12 : x
  2. Step 2: Convert to fraction form
    25,451.49/35,113.45 = 18,753.12/x
  3. Step 3: Cross multiply
    25,451.49x = 35,113.45 × 18,753.12
  4. Step 4: Simplify right side
    25,451.49x = 658,486,729.74
  5. Step 5: Solve for x
    x = 658,486,729.74/25,451.49
  6. Step 6: Final answer
    x = 25,872.23

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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.