Home / 20,833.34-31,220.84-14,962.46

Finding the Fourth Proportional to 20,833.34, 31,220.84 and 14,962.46

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Solution

The fourth proportional to 20,833.34, 31,220.84 and 14,962.46 is: 22,422.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,833.34 : 31,220.84 = 14,962.46 : x
  2. Step 2: Convert to fraction form
    20,833.34/31,220.84 = 14,962.46/x
  3. Step 3: Cross multiply
    20,833.34x = 31,220.84 × 14,962.46
  4. Step 4: Simplify right side
    20,833.34x = 467,140,450.97
  5. Step 5: Solve for x
    x = 467,140,450.97/20,833.34
  6. Step 6: Final answer
    x = 22,422.74

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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.