Home / 26,730.48-36,825.35-18,649.38

Finding the Fourth Proportional to 26,730.48, 36,825.35 and 18,649.38

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Solution

The fourth proportional to 26,730.48, 36,825.35 and 18,649.38 is: 25,692.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,730.48 : 36,825.35 = 18,649.38 : x
  2. Step 2: Convert to fraction form
    26,730.48/36,825.35 = 18,649.38/x
  3. Step 3: Cross multiply
    26,730.48x = 36,825.35 × 18,649.38
  4. Step 4: Simplify right side
    26,730.48x = 686,769,852.54
  5. Step 5: Solve for x
    x = 686,769,852.54/26,730.48
  6. Step 6: Final answer
    x = 25,692.39

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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.