Home / 19,584.18-29,398.14-7,905.60

Finding the Fourth Proportional to 19,584.18, 29,398.14 and 7,905.60

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Solution

The fourth proportional to 19,584.18, 29,398.14 and 7,905.60 is: 11,867.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,584.18 : 29,398.14 = 7,905.60 : x
  2. Step 2: Convert to fraction form
    19,584.18/29,398.14 = 7,905.60/x
  3. Step 3: Cross multiply
    19,584.18x = 29,398.14 × 7,905.60
  4. Step 4: Simplify right side
    19,584.18x = 232,409,935.58
  5. Step 5: Solve for x
    x = 232,409,935.58/19,584.18
  6. Step 6: Final answer
    x = 11,867.23

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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.