Home / 15,896.42-23,845.78-4,209.50

Finding the Fourth Proportional to 15,896.42, 23,845.78 and 4,209.50

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Solution

The fourth proportional to 15,896.42, 23,845.78 and 4,209.50 is: 6,314.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896.42 : 23,845.78 = 4,209.50 : x
  2. Step 2: Convert to fraction form
    15,896.42/23,845.78 = 4,209.50/x
  3. Step 3: Cross multiply
    15,896.42x = 23,845.78 × 4,209.50
  4. Step 4: Simplify right side
    15,896.42x = 100,378,810.91
  5. Step 5: Solve for x
    x = 100,378,810.91/15,896.42
  6. Step 6: Final answer
    x = 6,314.55

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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.