Home / 22,044.50-30,421.40-11,972.96

Finding the Fourth Proportional to 22,044.50, 30,421.40 and 11,972.96

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Solution

The fourth proportional to 22,044.50, 30,421.40 and 11,972.96 is: 16,522.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,044.50 : 30,421.40 = 11,972.96 : x
  2. Step 2: Convert to fraction form
    22,044.50/30,421.40 = 11,972.96/x
  3. Step 3: Cross multiply
    22,044.50x = 30,421.40 × 11,972.96
  4. Step 4: Simplify right side
    22,044.50x = 364,233,993.37
  5. Step 5: Solve for x
    x = 364,233,993.37/22,044.50
  6. Step 6: Final answer
    x = 16,522.67

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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.