Home / 13,150.99-19,722.22-4,383.55

Finding the Fourth Proportional to 13,150.99, 19,722.22 and 4,383.55

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Solution

The fourth proportional to 13,150.99, 19,722.22 and 4,383.55 is: 6,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150.99 : 19,722.22 = 4,383.55 : x
  2. Step 2: Convert to fraction form
    13,150.99/19,722.22 = 4,383.55/x
  3. Step 3: Cross multiply
    13,150.99x = 19,722.22 × 4,383.55
  4. Step 4: Simplify right side
    13,150.99x = 86,453,337.48
  5. Step 5: Solve for x
    x = 86,453,337.48/13,150.99
  6. Step 6: Final answer
    x = 6,573.90

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Double scale
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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.