Home / 20,343.71-28,073.50-11,846.08

Finding the Fourth Proportional to 20,343.71, 28,073.50 and 11,846.08

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Solution

The fourth proportional to 20,343.71, 28,073.50 and 11,846.08 is: 16,347.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343.71 : 28,073.50 = 11,846.08 : x
  2. Step 2: Convert to fraction form
    20,343.71/28,073.50 = 11,846.08/x
  3. Step 3: Cross multiply
    20,343.71x = 28,073.50 × 11,846.08
  4. Step 4: Simplify right side
    20,343.71x = 332,560,926.88
  5. Step 5: Solve for x
    x = 332,560,926.88/20,343.71
  6. Step 6: Final answer
    x = 16,347.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.