Home / 14,943.60-22,415.40-12,537.90

Finding the Fourth Proportional to 14,943.60, 22,415.40 and 12,537.90

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Solution

The fourth proportional to 14,943.60, 22,415.40 and 12,537.90 is: 18,806.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943.60 : 22,415.40 = 12,537.90 : x
  2. Step 2: Convert to fraction form
    14,943.60/22,415.40 = 12,537.90/x
  3. Step 3: Cross multiply
    14,943.60x = 22,415.40 × 12,537.90
  4. Step 4: Simplify right side
    14,943.60x = 281,042,043.66
  5. Step 5: Solve for x
    x = 281,042,043.66/14,943.60
  6. Step 6: Final answer
    x = 18,806.85

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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.