Home / 15,964.20-23,898.78-11,822.40

Finding the Fourth Proportional to 15,964.20, 23,898.78 and 11,822.40

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Solution

The fourth proportional to 15,964.20, 23,898.78 and 11,822.40 is: 17,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,964.20 : 23,898.78 = 11,822.40 : x
  2. Step 2: Convert to fraction form
    15,964.20/23,898.78 = 11,822.40/x
  3. Step 3: Cross multiply
    15,964.20x = 23,898.78 × 11,822.40
  4. Step 4: Simplify right side
    15,964.20x = 282,540,936.67
  5. Step 5: Solve for x
    x = 282,540,936.67/15,964.20
  6. Step 6: Final answer
    x = 17,698.41

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1.5x scale

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.