Home / 22,365.56-30,865.20-12,294.36

Finding the Fourth Proportional to 22,365.56, 30,865.20 and 12,294.36

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Solution

The fourth proportional to 22,365.56, 30,865.20 and 12,294.36 is: 16,966.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,365.56 : 30,865.20 = 12,294.36 : x
  2. Step 2: Convert to fraction form
    22,365.56/30,865.20 = 12,294.36/x
  3. Step 3: Cross multiply
    22,365.56x = 30,865.20 × 12,294.36
  4. Step 4: Simplify right side
    22,365.56x = 379,467,880.27
  5. Step 5: Solve for x
    x = 379,467,880.27/22,365.56
  6. Step 6: Final answer
    x = 16,966.62

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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.