Home / 14,043.15-21,002.76-12,494.03

Finding the Fourth Proportional to 14,043.15, 21,002.76 and 12,494.03

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Solution

The fourth proportional to 14,043.15, 21,002.76 and 12,494.03 is: 18,685.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.15 : 21,002.76 = 12,494.03 : x
  2. Step 2: Convert to fraction form
    14,043.15/21,002.76 = 12,494.03/x
  3. Step 3: Cross multiply
    14,043.15x = 21,002.76 × 12,494.03
  4. Step 4: Simplify right side
    14,043.15x = 262,409,008.51
  5. Step 5: Solve for x
    x = 262,409,008.51/14,043.15
  6. Step 6: Final answer
    x = 18,685.91

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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.