Home / 22,386.17-30,892.11-12,313.97

Finding the Fourth Proportional to 22,386.17, 30,892.11 and 12,313.97

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Solution

The fourth proportional to 22,386.17, 30,892.11 and 12,313.97 is: 16,992.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,386.17 : 30,892.11 = 12,313.97 : x
  2. Step 2: Convert to fraction form
    22,386.17/30,892.11 = 12,313.97/x
  3. Step 3: Cross multiply
    22,386.17x = 30,892.11 × 12,313.97
  4. Step 4: Simplify right side
    22,386.17x = 380,404,361.32
  5. Step 5: Solve for x
    x = 380,404,361.32/22,386.17
  6. Step 6: Final answer
    x = 16,992.83

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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.