Home / 25,772.74-35,637.96-20,458.33

Finding the Fourth Proportional to 25,772.74, 35,637.96 and 20,458.33

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Solution

The fourth proportional to 25,772.74, 35,637.96 and 20,458.33 is: 28,289.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,772.74 : 35,637.96 = 20,458.33 : x
  2. Step 2: Convert to fraction form
    25,772.74/35,637.96 = 20,458.33/x
  3. Step 3: Cross multiply
    25,772.74x = 35,637.96 × 20,458.33
  4. Step 4: Simplify right side
    25,772.74x = 729,093,146.21
  5. Step 5: Solve for x
    x = 729,093,146.21/25,772.74
  6. Step 6: Final answer
    x = 28,289.31

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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.