Home / 19,939.32-29,903.52-5,895.15

Finding the Fourth Proportional to 19,939.32, 29,903.52 and 5,895.15

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Solution

The fourth proportional to 19,939.32, 29,903.52 and 5,895.15 is: 8,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,939.32 : 29,903.52 = 5,895.15 : x
  2. Step 2: Convert to fraction form
    19,939.32/29,903.52 = 5,895.15/x
  3. Step 3: Cross multiply
    19,939.32x = 29,903.52 × 5,895.15
  4. Step 4: Simplify right side
    19,939.32x = 176,285,735.93
  5. Step 5: Solve for x
    x = 176,285,735.93/19,939.32
  6. Step 6: Final answer
    x = 8,841.11

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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.