Home / 18,426.90-27,620.62-9,533.26

Finding the Fourth Proportional to 18,426.90, 27,620.62 and 9,533.26

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Solution

The fourth proportional to 18,426.90, 27,620.62 and 9,533.26 is: 14,289.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.90 : 27,620.62 = 9,533.26 : x
  2. Step 2: Convert to fraction form
    18,426.90/27,620.62 = 9,533.26/x
  3. Step 3: Cross multiply
    18,426.90x = 27,620.62 × 9,533.26
  4. Step 4: Simplify right side
    18,426.90x = 263,314,551.82
  5. Step 5: Solve for x
    x = 263,314,551.82/18,426.90
  6. Step 6: Final answer
    x = 14,289.68

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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.