Home / 25,936.84-35,781.78-16,981.48

Finding the Fourth Proportional to 25,936.84, 35,781.78 and 16,981.48

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Solution

The fourth proportional to 25,936.84, 35,781.78 and 16,981.48 is: 23,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,936.84 : 35,781.78 = 16,981.48 : x
  2. Step 2: Convert to fraction form
    25,936.84/35,781.78 = 16,981.48/x
  3. Step 3: Cross multiply
    25,936.84x = 35,781.78 × 16,981.48
  4. Step 4: Simplify right side
    25,936.84x = 607,627,581.43
  5. Step 5: Solve for x
    x = 607,627,581.43/25,936.84
  6. Step 6: Final answer
    x = 23,427.20

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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.