Home / 19,730.88-29,607.26-8,043.19

Finding the Fourth Proportional to 19,730.88, 29,607.26 and 8,043.19

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Solution

The fourth proportional to 19,730.88, 29,607.26 and 8,043.19 is: 12,069.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.88 : 29,607.26 = 8,043.19 : x
  2. Step 2: Convert to fraction form
    19,730.88/29,607.26 = 8,043.19/x
  3. Step 3: Cross multiply
    19,730.88x = 29,607.26 × 8,043.19
  4. Step 4: Simplify right side
    19,730.88x = 238,136,703.33
  5. Step 5: Solve for x
    x = 238,136,703.33/19,730.88
  6. Step 6: Final answer
    x = 12,069.24

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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.