Home / 13,923.44-20,887.56-7,355.12

Finding the Fourth Proportional to 13,923.44, 20,887.56 and 7,355.12

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Solution

The fourth proportional to 13,923.44, 20,887.56 and 7,355.12 is: 11,033.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.44 : 20,887.56 = 7,355.12 : x
  2. Step 2: Convert to fraction form
    13,923.44/20,887.56 = 7,355.12/x
  3. Step 3: Cross multiply
    13,923.44x = 20,887.56 × 7,355.12
  4. Step 4: Simplify right side
    13,923.44x = 153,630,510.31
  5. Step 5: Solve for x
    x = 153,630,510.31/13,923.44
  6. Step 6: Final answer
    x = 11,033.95

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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.