Home / 19,671.93-29,489.67-6,521.31

Finding the Fourth Proportional to 19,671.93, 29,489.67 and 6,521.31

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Solution

The fourth proportional to 19,671.93, 29,489.67 and 6,521.31 is: 9,775.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671.93 : 29,489.67 = 6,521.31 : x
  2. Step 2: Convert to fraction form
    19,671.93/29,489.67 = 6,521.31/x
  3. Step 3: Cross multiply
    19,671.93x = 29,489.67 × 6,521.31
  4. Step 4: Simplify right side
    19,671.93x = 192,311,279.87
  5. Step 5: Solve for x
    x = 192,311,279.87/19,671.93
  6. Step 6: Final answer
    x = 9,775.92

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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.