Home / 19,554.35-29,332.89-7,867.62

Finding the Fourth Proportional to 19,554.35, 29,332.89 and 7,867.62

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Solution

The fourth proportional to 19,554.35, 29,332.89 and 7,867.62 is: 11,801.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554.35 : 29,332.89 = 7,867.62 : x
  2. Step 2: Convert to fraction form
    19,554.35/29,332.89 = 7,867.62/x
  3. Step 3: Cross multiply
    19,554.35x = 29,332.89 × 7,867.62
  4. Step 4: Simplify right side
    19,554.35x = 230,780,032.02
  5. Step 5: Solve for x
    x = 230,780,032.02/19,554.35
  6. Step 6: Final answer
    x = 11,801.98

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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.