Home / 19,928.89-29,897.45-16,664.79

Finding the Fourth Proportional to 19,928.89, 29,897.45 and 16,664.79

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Solution

The fourth proportional to 19,928.89, 29,897.45 and 16,664.79 is: 25,000.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.89 : 29,897.45 = 16,664.79 : x
  2. Step 2: Convert to fraction form
    19,928.89/29,897.45 = 16,664.79/x
  3. Step 3: Cross multiply
    19,928.89x = 29,897.45 × 16,664.79
  4. Step 4: Simplify right side
    19,928.89x = 498,234,725.79
  5. Step 5: Solve for x
    x = 498,234,725.79/19,928.89
  6. Step 6: Final answer
    x = 25,000.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.