Home / 22,418.53-30,936.35-12,345.05

Finding the Fourth Proportional to 22,418.53, 30,936.35 and 12,345.05

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Solution

The fourth proportional to 22,418.53, 30,936.35 and 12,345.05 is: 17,035.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,418.53 : 30,936.35 = 12,345.05 : x
  2. Step 2: Convert to fraction form
    22,418.53/30,936.35 = 12,345.05/x
  3. Step 3: Cross multiply
    22,418.53x = 30,936.35 × 12,345.05
  4. Step 4: Simplify right side
    22,418.53x = 381,910,725.84
  5. Step 5: Solve for x
    x = 381,910,725.84/22,418.53
  6. Step 6: Final answer
    x = 17,035.50

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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.