Home / 22,433.14-30,950.94-12,999.88

Finding the Fourth Proportional to 22,433.14, 30,950.94 and 12,999.88

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Solution

The fourth proportional to 22,433.14, 30,950.94 and 12,999.88 is: 17,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,433.14 : 30,950.94 = 12,999.88 : x
  2. Step 2: Convert to fraction form
    22,433.14/30,950.94 = 12,999.88/x
  3. Step 3: Cross multiply
    22,433.14x = 30,950.94 × 12,999.88
  4. Step 4: Simplify right side
    22,433.14x = 402,358,505.89
  5. Step 5: Solve for x
    x = 402,358,505.89/22,433.14
  6. Step 6: Final answer
    x = 17,935.90

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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.