Home / 25,830.42-35,578.08-19,850.64

Finding the Fourth Proportional to 25,830.42, 35,578.08 and 19,850.64

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Solution

The fourth proportional to 25,830.42, 35,578.08 and 19,850.64 is: 27,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,830.42 : 35,578.08 = 19,850.64 : x
  2. Step 2: Convert to fraction form
    25,830.42/35,578.08 = 19,850.64/x
  3. Step 3: Cross multiply
    25,830.42x = 35,578.08 × 19,850.64
  4. Step 4: Simplify right side
    25,830.42x = 706,247,657.97
  5. Step 5: Solve for x
    x = 706,247,657.97/25,830.42
  6. Step 6: Final answer
    x = 27,341.70

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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.