Home / 22,435.95-30,961.22-12,227.07

Finding the Fourth Proportional to 22,435.95, 30,961.22 and 12,227.07

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Solution

The fourth proportional to 22,435.95, 30,961.22 and 12,227.07 is: 16,873.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,435.95 : 30,961.22 = 12,227.07 : x
  2. Step 2: Convert to fraction form
    22,435.95/30,961.22 = 12,227.07/x
  3. Step 3: Cross multiply
    22,435.95x = 30,961.22 × 12,227.07
  4. Step 4: Simplify right side
    22,435.95x = 378,564,943.09
  5. Step 5: Solve for x
    x = 378,564,943.09/22,435.95
  6. Step 6: Final answer
    x = 16,873.14

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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.