Home / 19,429.44-29,145.76-6,283.92

Finding the Fourth Proportional to 19,429.44, 29,145.76 and 6,283.92

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Solution

The fourth proportional to 19,429.44, 29,145.76 and 6,283.92 is: 9,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,429.44 : 29,145.76 = 6,283.92 : x
  2. Step 2: Convert to fraction form
    19,429.44/29,145.76 = 6,283.92/x
  3. Step 3: Cross multiply
    19,429.44x = 29,145.76 × 6,283.92
  4. Step 4: Simplify right side
    19,429.44x = 183,149,624.18
  5. Step 5: Solve for x
    x = 183,149,624.18/19,429.44
  6. Step 6: Final answer
    x = 9,426.40

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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.