Home / 22,007.18-30,369.77-11,935.86

Finding the Fourth Proportional to 22,007.18, 30,369.77 and 11,935.86

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Solution

The fourth proportional to 22,007.18, 30,369.77 and 11,935.86 is: 16,471.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,007.18 : 30,369.77 = 11,935.86 : x
  2. Step 2: Convert to fraction form
    22,007.18/30,369.77 = 11,935.86/x
  3. Step 3: Cross multiply
    22,007.18x = 30,369.77 × 11,935.86
  4. Step 4: Simplify right side
    22,007.18x = 362,489,322.95
  5. Step 5: Solve for x
    x = 362,489,322.95/22,007.18
  6. Step 6: Final answer
    x = 16,471.41

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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.