Home / 22,417.95-30,936.83-12,346.21

Finding the Fourth Proportional to 22,417.95, 30,936.83 and 12,346.21

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Solution

The fourth proportional to 22,417.95, 30,936.83 and 12,346.21 is: 17,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,417.95 : 30,936.83 = 12,346.21 : x
  2. Step 2: Convert to fraction form
    22,417.95/30,936.83 = 12,346.21/x
  3. Step 3: Cross multiply
    22,417.95x = 30,936.83 × 12,346.21
  4. Step 4: Simplify right side
    22,417.95x = 381,952,553.44
  5. Step 5: Solve for x
    x = 381,952,553.44/22,417.95
  6. Step 6: Final answer
    x = 17,037.80

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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.