Home / 25,618.03-35,355.42-19,146.43

Finding the Fourth Proportional to 25,618.03, 35,355.42 and 19,146.43

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Solution

The fourth proportional to 25,618.03, 35,355.42 and 19,146.43 is: 26,423.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,618.03 : 35,355.42 = 19,146.43 : x
  2. Step 2: Convert to fraction form
    25,618.03/35,355.42 = 19,146.43/x
  3. Step 3: Cross multiply
    25,618.03x = 35,355.42 × 19,146.43
  4. Step 4: Simplify right side
    25,618.03x = 676,930,074.15
  5. Step 5: Solve for x
    x = 676,930,074.15/25,618.03
  6. Step 6: Final answer
    x = 26,423.97

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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.