Home / 15,794.28-21,800.61-9,822.96

Finding the Fourth Proportional to 15,794.28, 21,800.61 and 9,822.96

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Solution

The fourth proportional to 15,794.28, 21,800.61 and 9,822.96 is: 13,558.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,794.28 : 21,800.61 = 9,822.96 : x
  2. Step 2: Convert to fraction form
    15,794.28/21,800.61 = 9,822.96/x
  3. Step 3: Cross multiply
    15,794.28x = 21,800.61 × 9,822.96
  4. Step 4: Simplify right side
    15,794.28x = 214,146,520.01
  5. Step 5: Solve for x
    x = 214,146,520.01/15,794.28
  6. Step 6: Final answer
    x = 13,558.49

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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.