Home / 21,044.60-31,571.84-6,253.64

Finding the Fourth Proportional to 21,044.60, 31,571.84 and 6,253.64

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Solution

The fourth proportional to 21,044.60, 31,571.84 and 6,253.64 is: 9,381.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.60 : 31,571.84 = 6,253.64 : x
  2. Step 2: Convert to fraction form
    21,044.60/31,571.84 = 6,253.64/x
  3. Step 3: Cross multiply
    21,044.60x = 31,571.84 × 6,253.64
  4. Step 4: Simplify right side
    21,044.60x = 197,438,921.50
  5. Step 5: Solve for x
    x = 197,438,921.50/21,044.60
  6. Step 6: Final answer
    x = 9,381.93

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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.