Home / 25,645.92-35,400.96-19,969.44

Finding the Fourth Proportional to 25,645.92, 35,400.96 and 19,969.44

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Solution

The fourth proportional to 25,645.92, 35,400.96 and 19,969.44 is: 27,565.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,645.92 : 35,400.96 = 19,969.44 : x
  2. Step 2: Convert to fraction form
    25,645.92/35,400.96 = 19,969.44/x
  3. Step 3: Cross multiply
    25,645.92x = 35,400.96 × 19,969.44
  4. Step 4: Simplify right side
    25,645.92x = 706,937,346.66
  5. Step 5: Solve for x
    x = 706,937,346.66/25,645.92
  6. Step 6: Final answer
    x = 27,565.29

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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.