Home / 29,653.08-40,920.89-16,905.86

Finding the Fourth Proportional to 29,653.08, 40,920.89 and 16,905.86

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Solution

The fourth proportional to 29,653.08, 40,920.89 and 16,905.86 is: 23,329.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,653.08 : 40,920.89 = 16,905.86 : x
  2. Step 2: Convert to fraction form
    29,653.08/40,920.89 = 16,905.86/x
  3. Step 3: Cross multiply
    29,653.08x = 40,920.89 × 16,905.86
  4. Step 4: Simplify right side
    29,653.08x = 691,802,548.28
  5. Step 5: Solve for x
    x = 691,802,548.28/29,653.08
  6. Step 6: Final answer
    x = 23,329.87

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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.