Home / 19,429.52-29,144.88-6,281.96

Finding the Fourth Proportional to 19,429.52, 29,144.88 and 6,281.96

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Solution

The fourth proportional to 19,429.52, 29,144.88 and 6,281.96 is: 9,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,429.52 : 29,144.88 = 6,281.96 : x
  2. Step 2: Convert to fraction form
    19,429.52/29,144.88 = 6,281.96/x
  3. Step 3: Cross multiply
    19,429.52x = 29,144.88 × 6,281.96
  4. Step 4: Simplify right side
    19,429.52x = 183,086,970.36
  5. Step 5: Solve for x
    x = 183,086,970.36/19,429.52
  6. Step 6: Final answer
    x = 9,423.13

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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.