Home / 18,250.52-27,355.73-7,155.14

Finding the Fourth Proportional to 18,250.52, 27,355.73 and 7,155.14

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Solution

The fourth proportional to 18,250.52, 27,355.73 and 7,155.14 is: 10,724.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.52 : 27,355.73 = 7,155.14 : x
  2. Step 2: Convert to fraction form
    18,250.52/27,355.73 = 7,155.14/x
  3. Step 3: Cross multiply
    18,250.52x = 27,355.73 × 7,155.14
  4. Step 4: Simplify right side
    18,250.52x = 195,733,905.40
  5. Step 5: Solve for x
    x = 195,733,905.40/18,250.52
  6. Step 6: Final answer
    x = 10,724.84

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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.