Home / 19,073.30-28,601.85-9,215.60

Finding the Fourth Proportional to 19,073.30, 28,601.85 and 9,215.60

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Solution

The fourth proportional to 19,073.30, 28,601.85 and 9,215.60 is: 13,819.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,073.30 : 28,601.85 = 9,215.60 : x
  2. Step 2: Convert to fraction form
    19,073.30/28,601.85 = 9,215.60/x
  3. Step 3: Cross multiply
    19,073.30x = 28,601.85 × 9,215.60
  4. Step 4: Simplify right side
    19,073.30x = 263,583,208.86
  5. Step 5: Solve for x
    x = 263,583,208.86/19,073.30
  6. Step 6: Final answer
    x = 13,819.49

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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.