Home / 18,370.30-27,533.57-12,793.45

Finding the Fourth Proportional to 18,370.30, 27,533.57 and 12,793.45

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Solution

The fourth proportional to 18,370.30, 27,533.57 and 12,793.45 is: 19,174.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.30 : 27,533.57 = 12,793.45 : x
  2. Step 2: Convert to fraction form
    18,370.30/27,533.57 = 12,793.45/x
  3. Step 3: Cross multiply
    18,370.30x = 27,533.57 × 12,793.45
  4. Step 4: Simplify right side
    18,370.30x = 352,249,351.12
  5. Step 5: Solve for x
    x = 352,249,351.12/18,370.30
  6. Step 6: Final answer
    x = 19,174.94

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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.