Home / 25,498.22-35,177.71-18,799.78

Finding the Fourth Proportional to 25,498.22, 35,177.71 and 18,799.78

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Solution

The fourth proportional to 25,498.22, 35,177.71 and 18,799.78 is: 25,936.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,498.22 : 35,177.71 = 18,799.78 : x
  2. Step 2: Convert to fraction form
    25,498.22/35,177.71 = 18,799.78/x
  3. Step 3: Cross multiply
    25,498.22x = 35,177.71 × 18,799.78
  4. Step 4: Simplify right side
    25,498.22x = 661,333,208.90
  5. Step 5: Solve for x
    x = 661,333,208.90/25,498.22
  6. Step 6: Final answer
    x = 25,936.45

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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.